[suspicious - maybe spam] [PHP] [suspicious - maybe spam] Re: Save page as text

[Bogdan Stancescu]

Hello Rafael,

You can try using output control functions (see 
http://ro.php.net/manual/en/function.ob-start.php) and, depending on 
whether you want to upload the file or save it on your server (I don't 
understand which from your message), serve the result with a 
Content-type: text/plain header (see function header()), or use 
fopen() and fwrite() to save it on your server.


Hope this helps,
Bogdan

[EMAIL PROTECTED] wrote:

Hi,
I have page with PHP and Javascript code and I need to a link or bottun in it 
to save its content to a plain text file. (I'm using an apache server in a 
machine running Windows 2003, and I want to be able to use this feature in IE 6 
and Mozilla 1.7)
I saw some information about how to do that with PHP, but I wasn't able to do 
it.
Can some one help me with that?
 
Thanks in advance,

Rafael Magrin


-
Yahoo! Acesso Grátis: Internet rápida e grátis. Instale o discador agora!


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Re: [PHP] Achieving 64-bit integers on 32-bit platforms

[Richard Lynch]

On Wed, June 29, 2005 9:02 pm, Dan Goodes said:
 This 32-bit limitation is haunting me everywhere I turn.

 Is it possible with PHP (at compile-time if need be) to make it use large
 (64-bit) integers?

I believe that PHP runs fine on 64-bit hardware, and uses 64-bit ints
everywhere on that...

So, in theory at least, just buying a 64-bit machine would solve your
problem...

Not that you necessarily *can* run out and buy a 64-bit machine, mind you.

 I'm asking because I would like to perform operations on large files, and

 fillesize($filename)

 is returning an error, even when I use

 sprintf(%u, filesize($file))

 as per the manual for filesize(). I get:

 Warning: filesize(): Stat failed for FC4-i386-DVD.iso (errno=75 - Value
 too large for defined data type)

 Any thoughts/ideas/suggestions? Thanks!

At least for THIS particular function, you could use exec(du $filename,
...) and then you'd have a string representation of the size, which you
could then display or even manipulate with BC_MATH or that other
new-fangled arbitrary precision mathematics PHP Module whose name I
forget.

This is a much less general solution, but may suffice for now.

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Re: [PHP] Save page as text

[Richard Lynch]

On Wed, June 29, 2005 2:22 pm, [EMAIL PROTECTED] said:
 I have page with PHP and Javascript code and I need to a link or bottun in
 it to save its content to a plain text file. (I'm using an apache server
 in a machine running Windows 2003, and I want to be able to use this
 feature in IE 6 and Mozilla 1.7)
 I saw some information about how to do that with PHP, but I wasn't able to
 do it.
 Can some one help me with that?

?php
  header(Content-type: application/octet-stream);
?

Any browser that does *NOT* do a download with that, is a badly-broken
browser indeed.

There are a bunch of Microsoft-only types who recommend some other
Content-type which just plain DOES NOT WORK on anything but IE. Surprised?
 Don't be.  That's how Microsoft encourages incompatible software to
retain market share.

There are other headers you can send that some browser will use to choose
the name of the file in the popup dialog where the user chooses to safe
the download.  These headers DO NOT WORK in *all* browsers, only some.

If you want to be CERTAIN the download filename is what you want, then
make sure your URL looks like a static URL to the filename you want.

Specifically, convert a URL like:
http://example.com/download.php?filename=whatever.xyz

into:
http://example.com/download/whatever.xyz

You can do this by using .htaccess:
Files download
  ForceType application/x-httpd-php
/Files
to force Apache to treat download as a PHP script, even though it has
no .php in the filename.

Within your download script (nee download.php) you can use:
$_SERVER['PATHINFO'];
to access /whatever.xyz and use *THAT instead of $_GET['filename'] to
determine what file to download.

I posted an include file some time ago that makes it easy to translate
PATHINFO into an array $_PATH, which you treat pretty much like $_GET.

The only caveat is that $_GET is a SuperGlobal and I can't make $_PATH be
a SuperGlobal from within a PHP script. :-(

Search this group for my name and PATHINFO and that script ought to turn
up...


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Re: [PHP] I can't cURL

[Richard Lynch]

On Wed, June 29, 2005 9:31 am, Jon said:
 I was able to modify the ebay login example that was provided on
 http://curl.haxx.se/libcurl/php/examples/ to login to a billing portal
 that
 I am trying to access. by doing that I am able to open the home.asp page.
 What I am wanting is to be able to keep my logon and open billing.asp as
 if
 I had clicked on the link.  the link on the page is just a standard link

 A HREF=billing.aspBilling Reports/A/U

 when I add a third part to the hacked  example

 // 3- Try to get billing page
 $GetThisURL = ***/billing.asp;
 $reffer = ***/home.asp;

 $ch = curl_init();
 curl_setopt($ch, CURLOPT_URL,$GetThisURL);
 curl_setopt($ch, CURLOPT_USERAGENT, $agent);
 curl_setopt($ch, CURLOPT_RETURNTRANSFER,1);
 curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
 curl_setopt($ch, CURLOPT_REFERER, $reffer);
 curl_setopt($ch, CURLOPT_COOKIEFILE, $cookie_file_path);
 curl_setopt($ch, CURLOPT_COOKIEJAR, $cookie_file_path);

I never got the cURL CookieJar stuff to work, personally.

That may be problems with file permissions on my jar, but...

Anyway, just to know and understand what is going on, I suggest you PRINT
OUT the headers of the document you are retrieving.

If there are Cookies, use PHP to parse their headers, collect up the
Cookies, and send them back.

This is also better in that you can catch stupid Cookies such as:
  Cookies that are clearly tied into their advertising crapola
  Cookies that are clearly tied into their webstats crapola
  Cookies that are used to share your surfing habits with others

Odds are really good you can *NOT* send back those Cookies and the site
will still work, without you giving them information that's really none of
their business in the first place.

Don't set FOLLOWLOCATION either, as it might be fooling you by skipping
through some Location: headers but bypassing some Cookie headers.

So then the Cookies are getting ignored because cURL is following the
Location: headers too fast.

Which is how some browsers behave anyway, so the site would be broken for
those browsers if you tested with them...

 $result= curl_exec ($ch);
 curl_close ($ch);

 all I am able to get is the login page again.  I don't have any idea what
 to
 even try since I have never used cURL before.  One thing that I know is
 that
 by clicking on billing.asp link the server does some stuff and you end up
 at
 billing_histories.asp.  Does that mean that I should be looing for some
 sort
 of GET or POST operation that I am not seeing?

It's more likely some Location: headers coming out.

ASP Developers (and ASP itself) tend to bounce users around a LOT through
HTTP Location headers.

God only knows why.

My best theory is Microsoft *wants* to waste HTTP connections to make
hardware seem insufficient to make users buy more hardware which means
more licen$e$ sold of MS software.

 This javascript is also on the homepage.  Does this somehow affect what I
 am
 trying to do?  If so is there a way to work around it?

 SCRIPT LANGUAGE=javascript
 !--
 function respond(n) {
  frmSpecialDelivery.action = document.all.SubmitPage.value +
 ?respond=yeswhich= + n + returnto= + document.all.calledfrom.value
  frmSpecialDelivery.submit();
 }
 function sendit() {
  frmEmail.action = document.all.SubmitPage.value + ?sendmail=yeswhich=
 +
 document.all.id.value + returnto= + document.all.calledfrom.value
  frmEmail.submit()
 }
 function closeit() {
  window.location = document.all.calledfrom.value

 }

 function initialize() {
  document.location=filedownload.asp?DFID= + returnto= +
 document.all.calledfrom.value
 }
 --
 /SCRIPT

Possibly, especially that document.location crap.

But you don't show any JavaScript where this gets CALLED, so it could be a
red herring.

You'd have to examing any JavaScript tied to the link you click on to see
what it does, and which functions it calls, and if it's some of the above
functions, walk through what they do.

Keep in mind that you can save THEIR HTML on YOUR computer, and change
their JavaScript to have a bunch of alert() statements like:
function respond(n){
alert(Called respond with arg:  + n);
.
.
.
}

So you can always eventually puzzle through what their JavaScript is doing.

The code on their server is a bit more of a Black Box.

You can only figure out what it does by poking at it and seeing what happens.

Ah, the joys of hacking through somebody's really crappy login scripts.

Does it feel like you're in the jungle with a machete that has dream-like
turned into a wet noodle yet?  It will, soon.

But then you manage to hack your way through, and it feels real good.

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RE: [PHP] PHP vs. ColdFusion

[Richard Lynch]

On Wed, June 29, 2005 9:24 am, Andrew Scott said:
 At the end of the day you, the guy around the corner and even me will use
 what we need to use to get the job done. Don't get me wrong I like php, it
 has a good support for free stuff, but it's a pain in the butt to
 configure
 it into a full blown application without modifications, which some
 languages
 have built in.

Oddly enough, I prefer PHP because it *HAS* all the features ColdFusion
only has if you pay through the nose to Allaire (or whomever owns it this
week) or pay through the nose for custom tags to 20 different guys who
each have one of the features you need or...

In fact, does CF have *any* feature, at any price, that PHP doesn't?  I
think not.

I also *HATE* the muddled-up mess of CF tags, though that is obviously a
more subjective opinion.

If you like CF and want to use it, more power to you.  But you really are
wasting your time telling us it's got more features than PHP, which is
patently false.

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RE: [PHP] PHP vs. ColdFusion

[Andrew Scott]

Actually Richard that is not what I am trying to do.

This guy actually is after some feedback and that's what I am trying to give
him.

Pros for PHP:
-
It is free, and takes more time to learn that coldfusion (debatable yes). It
has a huge support from other developers, and is usually more than free.

Cons for PHP:
-
Coldfusion is also free (Blue Dragon) and has just as much support as PHP,
although. PHP can not run in a J2EE environment, limiting it to small scall
websites and limiting the prospect of expansion or server migration.


I could go on, but as I said at the end of the day it's up to the original
poster to put forward the pros and cons to both languages. If I was him I
would look at this objectively, because it would bite him in the butt if he
made the wrong choice and had to spend more money because the application
was not researched for its needs and future expansion path correctly.

I would not want to be in a position where I chose one or the other without
giving all the information of pros and cons, this allows for the powers to
be to make the wrong choice and not the person asking about this in the
first place. This is the advice that I am trying to put forward, not whether
this language is better than that, but more of an open mind to what each can
and can't do.


Regards
Andrew Scott
Analyst Programmer

CMS Transport Systems
Level 2/33 Bank Street
South Melbourne, Victoria, 3205

Phone: 03 9699 7988  -  Fax: 03 9699 7976
-Original Message-
From: Richard Lynch [mailto:[EMAIL PROTECTED] 
Sent: Thursday, 30 June 2005 5:54 PM
To: Andrew Scott
Cc: 'Rick Emery'; php-general@lists.php.net
Subject: RE: [PHP] PHP vs. ColdFusion

If you like CF and want to use it, more power to you.  But you really are
wasting your time telling us it's got more features than PHP, which is
patently false.

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[PHP] Array assignment references: strange behavior

[Nenad Jovanovic]

Hi!

Under PHP 4.3.10, the following simple code behaves as expected: $b[1] 
and $c are not modified by the final assignment to $a[1]:


Code 1:


$a[1] = 1;
$b[1] = 2;
$c = 3;

$a = $b;
$a[1] = 7;

// resulting mappings:
// $a[1] ... 7
// $b[2] ... 2
// $c .. 3

However, the following two codes result in changes to $b[1] and $c, the 
only difference to the previous code being the connection between $b[1] 
and $c via a reference:


Code 2:


$a[1] = 1;
$b[1] = 2;
$c = $b[1];

$a = $b;
$a[1] = 7;

// resulting mappings:
// $a[1] ... 7
// $b[2] ... 7
// $c .. 7

Code 3:


$a[1] = 1;
$b[1] = $c;
$c = 2;

$a = $b;
$a[1] = 7;

// resulting mappings:
// $a[1] ... 7
// $b[2] ... 7
// $c .. 7

Is this effect intended? If it is, is it specified somewhere in the PHP 
manual?


Thanks,

Nenad Jovanovic

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Re: [PHP] Re: PHP vs. ColdFusion

[Richard Lynch]

On Tue, June 28, 2005 8:17 pm, Rick Emery said:
 Quoting Anton Kovalenko [EMAIL PROTECTED]:

 As to ColdFusion, It seems to me that this technology is dead already.

 What makes you say this? I had never heard anything like this, but it
 would certainly be powerful ammunition to present to my bosses.

Perhaps some sort of web market penetration analysis...

I just searched through Netcraft and whatsit that the PHP site references
from http://php.net/usage.php

Neither seemed to mention ColdFusion.

There are, however, presumably people out there with some kind of opinion
backed with some kind of statistical analysis, inherently flawed to some
unknowable degree, that may relate to this.

YMMV

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Re: [PHP] Re: PHP vs. ColdFusion

[Anton Kovalenko]

Richard Lynch wrote:
Quoting Anton Kovalenko [EMAIL PROTECTED]:


As to ColdFusion, It seems to me that this technology is dead already.

What makes you say this? I had never heard anything like this, but it
would certainly be powerful ammunition to present to my bosses.
 
 
 Perhaps some sort of web market penetration analysis...
Hi all!
Unfortunatelly, I cant say that my thoughts of this kind were inspired
by some sort of web market analysis. I do work as a web development team
manager, act as an webprojects architect and also I'm realy very
interested in modern development technologies. So, I do hear a lot of
Python, Java, PHP which is becoming more and more serious development
tool for both well-educated and experienced programmers and school-boys
who just want to create their own guestbook/webchat. And for a couple of
last years I haven't heard of ColdFusion much.
I have some sort of example here. ozon.ru -- the largest Russian online
bookstore (it's not a bookstore now -- it's a supermarket like
amazon.com) was the first Russian e-commerse project, which looked
seriously in 1997. It was created using ColdFusion. But several months
ago (maybe year and a half -- don't remember) it was recreated with MS ASP.
I do have some dozens of freinds who work as web-developers. The use
Java, ASP.Net, PHP. I know none, who uses ColdFusion in his work, though
ColdFusion is a relatevly old technology.
So, that's my ugly point -)

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[PHP] PHP Build Tool / CVS management

[Jonathan Kart]

Hey everyone, 

wondering if anyone has any suggestions for a build management tool
written in php to lay over a cvs repository.

We're really looking for something along the lines of anthill
-http://www.urbancode.com/projects/anthill/default.jsp  but more php
focused. Like an anthill-like tool using phing instead of ant.  dare i
say ... phinghill?

Oh and cheaper than anthill, if at all possible.

Anyone know if such a tool exists?  Or know of any good cvs/build
management tools for php?

thanks a bunch,
-jon

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Re[2]: [PHP] Re: PHP vs. ColdFusion

[Richard Davey]

Hello Anton,

Thursday, June 30, 2005, 10:05:45 AM, you wrote:

AK I do have some dozens of freinds who work as web-developers. The
AK use Java, ASP.Net, PHP. I know none, who uses ColdFusion in his
AK work, though ColdFusion is a relatevly old technology. So, that's
AK my ugly point -)

It's a perfectly good point. I don't know a single CF developer
either, not any more. The last few I did know migrated to Python some
years ago. I guess that's the downside of locked-in proprietary
languages (which could be said for ASP, except Macromedia don't really
attract the same level of developers as Microsoft do). Personally for
me CF has the *perception* of being a very 1990s technology
(regardless if it is or not)

Best regards,

Richard Davey
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Re[2]: [PHP] PHP vs. ColdFusion

[Richard Davey]

Hello Andrew,

Thursday, June 30, 2005, 9:15:22 AM, you wrote:

AS Coldfusion is also free (Blue Dragon) and has just as much support
AS as PHP, although. PHP can not run in a J2EE environment, limiting
AS it to small scall websites and limiting the prospect of expansion
AS or server migration.

You like to tout CF as being J2EE/Enterprise ready. For this the free
version of Blue Dragon is NOT suitable, by the developers own
admission. You need the $6000 Enterprise version of CF (and you can
add on a few more thousand $ for extended support). This is before
you've bought any of the extra components you need to finish your
application.

1) Blue Dragon is also not just a free version of CF it would
appear, even on the developers web site they describe the free version
as Functionality is robust and useful for most basic CFML
applications. - it's the words most basic that concern me here.

2) It doesn't support the newer CF 7 features.

3) The free version does not deploy into J2EE at all.

4) It only runs on Windows, OS X or Linux (sorry, but lots of very big
hosting companies prefer the stability of FreeBSD, Solaris, etc). If
you want Solaris support it costs $2499 per CPU. If you want FreeBSD
support, you're stuffed.

5) It only supports ODBC database connections (via JDBC), so unlike
PHP you won't be connecting to Oracle, MS SQL, SQLite, etc. MySQL is
supported, but not built-in.

If you want to do CF seriously, you need to invest thousands and
that's before you've paid your programmers - this is the bottom
line.

Perhaps that is why even the Blue Dragon developers themselves claim
its biggest advantage is: You've invested heavily in CFML.. so have
we. Protect your investments. - and how do you protect them? by
deploying Blue Dragon so you can then interface directly with .NET
applications rather than migrate totally to them.

This doesn't strike me as being the approach of a growing, competitive
well supported language. It sounds more like shit, people have woken
up to the massive cost of using CF, how can we slow the drop-out
rate? if that is Blue Dragons primary selling angle, it says a *lot*
about the state of serious CF development.

When it comes to investing it think long-term. Zend are
aggressively attacking the enterprise market and we will see more and
more movement in this direction, to the point where I am quite sure
their objective is to make PHP itself enterprise capable *regardless*
of J2EE. With the rate things change around here, we won't have to
wait too long. If you don't actually need to build an enterprise scale
site (and let's face it, that covers most of us) then you're good to
go with PHP *right now* without actually spending a dime. Take that
$6000 CF budget, invest it into training for your entire team and
build your own framework, with the knowledge that no matter what
happens, your work is safe.

Anyway, time to get back to my project for BMW - just one of those
small scall websites (sic) things I guess?

Best regards,

Richard Davey
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RE: Re[2]: [PHP] PHP vs. ColdFusion

[Andrew Scott]

Richard,

And your point of before you pay your programmer is what one of my other
points was.

CF is very rapid development, and you might say the same about PHP. The
point is that these are all the things you need to take into consideration,
the cost that it would take to develop and maintain in either language, as
well as cost involved in the need of the application having to be a true
enterprise solution.

I am not here to bag php, I am here to make some points about the cost of
the application in the overall scenario. Would you develop in a language
that you know could not deliver an enterprise solution if in 6 months that's
what you really need, and how would you look if you recommended a language
because it was free, but in time had to spend more again to make it fully
scalable to an enterprise level if it needed it.

My point is that both languages have their merits, both have their
advantages and disadvantages, but what about the cost is it really worth not
researching something properly before jumping into bed with what you think
might work?

I know what I would do if someone who worked for me, came to me an
recommended a language and had not done the research into all possible
paths, that person would be very answerable to why we had to spend more down
the track.

Now that you have bagged CF, lets look at PHP. The amount of work that is
needed to implement a reporting solution is hard work and takes a lot of
code, the amount of work needed to generate a PDF or even a flash paper is
hard work in php, or what about RIA development (Rich Internet
Application's) that con leverage of flash to make presentation look good
with minimal work.

This functionality can and does save more work than you could ever possibly
achieve in php, RAD development because it creates less work to achieve
something that would take a lot of work and time in php. Don't get me
started on the integration of crystal reports and php, I have had to do it
and it was not easy compared to the same job in coldfusion. A good developer
will know when to use the right tools for the job.

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Re: Re[2]: [PHP] PHP vs. ColdFusion

[david forums]

Hi

Concerning php and J2EE, zend platform is providing a solid bridge between  
both environment.


This as been specially build for developping big system (banking,  
tracking, etc).


regards

david


Le Thu, 30 Jun 2005 13:06:22 +0200, Richard Davey [EMAIL PROTECTED]  
a écrit:



Hello Andrew,

Thursday, June 30, 2005, 9:15:22 AM, you wrote:

AS Coldfusion is also free (Blue Dragon) and has just as much support
AS as PHP, although. PHP can not run in a J2EE environment, limiting
AS it to small scall websites and limiting the prospect of expansion
AS or server migration.

You like to tout CF as being J2EE/Enterprise ready. For this the free
version of Blue Dragon is NOT suitable, by the developers own
admission. You need the $6000 Enterprise version of CF (and you can
add on a few more thousand $ for extended support). This is before
you've bought any of the extra components you need to finish your
application.

1) Blue Dragon is also not just a free version of CF it would
appear, even on the developers web site they describe the free version
as Functionality is robust and useful for most basic CFML
applications. - it's the words most basic that concern me here.

2) It doesn't support the newer CF 7 features.

3) The free version does not deploy into J2EE at all.

4) It only runs on Windows, OS X or Linux (sorry, but lots of very big
hosting companies prefer the stability of FreeBSD, Solaris, etc). If
you want Solaris support it costs $2499 per CPU. If you want FreeBSD
support, you're stuffed.

5) It only supports ODBC database connections (via JDBC), so unlike
PHP you won't be connecting to Oracle, MS SQL, SQLite, etc. MySQL is
supported, but not built-in.

If you want to do CF seriously, you need to invest thousands and
that's before you've paid your programmers - this is the bottom
line.

Perhaps that is why even the Blue Dragon developers themselves claim
its biggest advantage is: You've invested heavily in CFML.. so have
we. Protect your investments. - and how do you protect them? by
deploying Blue Dragon so you can then interface directly with .NET
applications rather than migrate totally to them.

This doesn't strike me as being the approach of a growing, competitive
well supported language. It sounds more like shit, people have woken
up to the massive cost of using CF, how can we slow the drop-out
rate? if that is Blue Dragons primary selling angle, it says a *lot*
about the state of serious CF development.

When it comes to investing it think long-term. Zend are
aggressively attacking the enterprise market and we will see more and
more movement in this direction, to the point where I am quite sure
their objective is to make PHP itself enterprise capable *regardless*
of J2EE. With the rate things change around here, we won't have to
wait too long. If you don't actually need to build an enterprise scale
site (and let's face it, that covers most of us) then you're good to
go with PHP *right now* without actually spending a dime. Take that
$6000 CF budget, invest it into training for your entire team and
build your own framework, with the knowledge that no matter what
happens, your work is safe.

Anyway, time to get back to my project for BMW - just one of those
small scall websites (sic) things I guess?

Best regards,

Richard Davey


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RE: Re[2]: [PHP] PHP vs. ColdFusion

[Jay Blanchard]

[snip]
Would you develop in a language that you know could not deliver an
enterprise solution if in 6 months that's what you really need, and how
would you look if you recommended a language because it was free, but in
time had to spend more again to make it fully scalable to an enterprise
level if it needed it.
[/snip]

I know that I am not the only one, but we have been developing
enterprise level (and very scalable) applications in PHP for almost 4
years. If you are asserting that PHP is not enterprise ready here you
would be way off base.

Here is another side which seems to have been ignored. I can bring C or
C++ or JAVA developers in and have them up to speed in PHP very quickly.
CF requires an additional learning curve (I used it way back in 1997
when it was in its earlier iterations) because of the tags, etc.

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[PHP] Ouput HTML w/PHP

[Rick Emery]

And now for something completely different...

I have a question that has been nagging at me. I've searched the 
archives, FAQs, and web sites, but haven't found an answer.


I have two ways that I've output HTML with PHP; one is to write the 
HTML, using the PHP tags to execute code when necessary. The other is 
to store the entire HTML output file in a string variable with 
concatenation and call the print (or echo) function at the bottom to 
output the page.


Are there advantages one way or the other?

This leads (sort of) to a second question: how can I validate my HTML? 
My applications run on an intranet (with database access), so I can't 
use the W3C Validator to point to the URL. If I try to upload the file, 
the validator doesn't parse the PHP to get the HTML output (which is 
why I wonder if I'm not better writing the HTML and sticking PHP where 
it's needed). Is there a way for me to maybe use the PHP tidy functions 
on the string containing the HTML ouput to validate it?


Thanks in advance,
Rick
--
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When once you have tasted flight, you will forever walk the Earth
with your eyes turned skyward, for there you have been, and there
you will always long to return
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Re: [PHP] PHP vs. ColdFusion

[Brad Pauly]

On 6/30/05, Andrew Scott [EMAIL PROTECTED] wrote:

 Cons for PHP:
 -
 Coldfusion is also free (Blue Dragon) and has just as much support as PHP,
 although. PHP can not run in a J2EE environment, limiting it to small scall
 websites and limiting the prospect of expansion or server migration.

I'm wondering if you could expand on this some. How does not running
in a J2EE environment limit PHPs ability to expand? In my opinion this
is not the case, but I'm always open to being convinced otherwise. I'm
also curious what you mean by small scale.

- Brad

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Re: [PHP] PHP vs. ColdFusion

[Stut]

Andrew Scott wrote:
snip
CF is very rapid development, and you might say the same about PHP. 
The point is that these are all the things you need to take into 
consideration, the cost that it would take to develop and maintain in
 either language, as well as cost involved in the need of the 
application having to be a true enterprise solution.


I am not here to bag php, I am here to make some points about the 
cost of the application in the overall scenario. Would you develop in

a language that you know could not deliver an enterprise solution if
in 6 months that's what you really need, and how would you look if 
you recommended a language because it was free, but in time had to 
spend more again to make it fully scalable to an enterprise level if 
it needed it. My point is that both languages have their merits, 
both have their advantages and disadvantages, but what about the cost

is it really worth not researching something properly before jumping
into bed with what you think might work?


Why do you believe PHP is not capable of being the basis of a true
enterprise solution? You've said that several times now without backing
it up and I'd like to hear your reasons so I'm better informed next time
I have to make this kind of decision.

I know what I would do if someone who worked for me, came to me an 
recommended a language and had not done the research into all 
possible paths, that person would be very answerable to why we had to

spend more down the track.


In my experience if you develop a PHP system with a view to scalability 
(as you would no doubt need to with CF also) the most you would need to 
spend to allow it to scale up to an enterprise solution is to purchase 
something like the Zend Platform and more hardware which from what I 
know is likely to be cheaper than the equivalent requirements for CF.


Now that you have bagged CF, lets look at PHP. The amount of work 
that is needed to implement a reporting solution is hard work and 
takes a lot of code, the amount of work needed to generate a PDF or 
even a flash paper is hard work in php, or what about RIA development
(Rich Internet Application's) that con leverage of flash to make 
presentation look good with minimal work.


This functionality can and does save more work than you could ever 
possibly achieve in php, RAD development because it creates less work
 to achieve something that would take a lot of work and time in php. 
Don't get me started on the integration of crystal reports and php, I
 have had to do it and it was not easy compared to the same job in 
coldfusion. A good developer will know when to use the right tools 
for the job.


Again, for future reference please state specifically what functionality 
CF provides with regards to integration with Flash and PDF generation 
that makes it so much better than PHP for these tasks. Is this 
functionality built in to CF or are they addons? If they are addons what 
does it cost to add them on?


For my 2p-worth I have to say that I am yet to come across a requirement 
that PHP cannot fulfil either through built-in functionality or 
freely-available addons. However, if I'm lacking knowledge of the killer 
feature CF has to offer please enlighten me.


Incidentally, if I have a requirement for a CPU-intensive function that 
does not already exist in CF, what options are there for adding it 
myself? Can I write code in C/C++ that integrates tightly with the CF 
engine so I can optimize the crap out of it?


Thanks in advance for your responses.

-Stut

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Re: [PHP] Ouput HTML w/PHP

[Duncan Hill]

On Thursday 30 June 2005 13:50, Rick Emery typed:
 the validator doesn't parse the PHP to get the HTML output (which is
 why I wonder if I'm not better writing the HTML and sticking PHP where
 it's needed). Is there a way for me to maybe use the PHP tidy functions
 on the string containing the HTML ouput to validate it?

When I do this, I browse each page, doing File  Save.  Then using the form 
upload of the W3C validator, validate each page.  Since I use templates, 
fixing each template tends to fix lots of other pages.

-- 
My mind not only wanders, it sometimes leaves completely.

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Re: [PHP] shell expansion (globbing) from inside php cli script

[Brian V Bonini]

On Wed, 29 Jun 2005, Bob Winter wrote:
 Brian,

 The script works for me, I should have included the screen
 input/output, which now follows:


Hmmm, this simply does not work for me. Maybe something with my version of
php or ssh.. I'm at a loss..

$ php -v
PHP 4.3.5 (cli) (built: Apr 30 2004 14:27:11)
Copyright (c) 1997-2004 The PHP Group
Zend Engine v1.3.0, Copyright (c) 1998-2004 Zend Technologies
with Zend Extension Manager v1.0.6, Copyright (c) 2003-2004, by Zend
Technologies
with Zend Optimizer v2.5.7, Copyright (c) 1998-2004, by Zend
Technologies
with bDISABLED/b Zend Download Server v1.0.2, Copyright (c)
2003-2004, by Zend Technologies
with bDISABLED/b Zend Performance Suite v4.1.0-platform, Copyright
(c) 1999-2004, by The Accelerator presently supports only Apache, ISAPI
and FastCGI SAPIs
with Zend Debugger v3.5.2a, Copyright (c) 1999-2004, by Zend
Technologies
with sqlite wrapper v1.0, Copyright (c) 2004, by Zend Technologies
with java wrapper v1.0, Copyright (c) 2004, by Zend Technologies


Executing: program /usr/local/bin/ssh host xxx,
user xxx, command scp -v -f
/www/files/services/include/niche/paa/include/niche/atc_syc/{q,w,e,r}
OpenSSH_3.8p1, SSH protocols 1.5/2.0, OpenSSL 0.9.7d 17 Mar 2004
debug1: Reading configuration data /usr/local/etc/ssh_config
debug1: Connecting to stagingcws.traderonline.com [10.222.132.174] port
22.
debug1: Connection established.
debug1: identity file /home/bonini/.ssh/identity type -1
debug1: identity file /home/bonini/.ssh/id_rsa type -1
debug1: identity file /home/bonini/.ssh/id_dsa type 2
debug1: Remote protocol version 1.99, remote software version
OpenSSH_3.5p1
debug1: match: OpenSSH_3.5p1 pat OpenSSH*
debug1: Enabling compatibility mode for protocol 2.0
debug1: Local version string SSH-2.0-OpenSSH_3.8p1
debug1: SSH2_MSG_KEXINIT sent
debug1: SSH2_MSG_KEXINIT received
debug1: kex: server-client aes128-cbc hmac-md5 none
debug1: kex: client-server aes128-cbc hmac-md5 none
debug1: SSH2_MSG_KEX_DH_GEX_REQUEST(102410248192) sent
debug1: expecting SSH2_MSG_KEX_DH_GEX_GROUP
debug1: SSH2_MSG_KEX_DH_GEX_INIT sent
debug1: expecting SSH2_MSG_KEX_DH_GEX_REPLY
debug1: Host 'xxx' is known and matches the RSA
host key.
debug1: Found key in /home/bonini/.ssh/known_hosts:10
debug1: ssh_rsa_verify: signature correct
debug1: SSH2_MSG_NEWKEYS sent
debug1: expecting SSH2_MSG_NEWKEYS
debug1: SSH2_MSG_NEWKEYS received
debug1: SSH2_MSG_SERVICE_REQUEST sent
debug1: SSH2_MSG_SERVICE_ACCEPT received
debug1: Authentications that can continue:
publickey,password,keyboard-interactive
debug1: Next authentication method: publickey
debug1: Trying private key: /home/bonini/.ssh/identity
debug1: Trying private key: /home/bonini/.ssh/id_rsa
debug1: Offering public key: /home/bonini/.ssh/id_dsa
debug1: Server accepts key: pkalg ssh-dss blen 435
debug1: PEM_read_PrivateKey failed
debug1: read PEM private key done: type unknown
Enter passphrase for key '/home/bonini/.ssh/id_dsa':
debug1: read PEM private key done: type DSA
debug1: Authentication succeeded (publickey).
debug1: channel 0: new [client-session]
debug1: Entering interactive session.
debug1: Sending command: scp -v -f
/www/files/services/include/niche/paa/include/niche/atc_syc/{q,w,e,r}
debug1: client_input_channel_req: channel 0 rtype exit-status reply 0
scp:
/www/files/services/include/niche/paa/include/niche/atc_syc/{q,w,e,r}: No
such file or directory
debug1: channel 0: free: client-session, nchannels 1
debug1: fd 0 clearing O_NONBLOCK
debug1: fd 1 clearing O_NONBLOCK
debug1: Transferred: stdin 0, stdout 0, stderr 0 bytes in 0.2 seconds
debug1: Bytes per second: stdin 0.0, stdout 0.0, stderr 0.0
debug1: Exit status 1
string: scp -v
[EMAIL 
PROTECTED]:/www/files/services/include/niche/paa/include/niche/atc_syc/{q,w,e,r}
/www/files/services/include/niche/paa/include/niche/atc_syc/tmp/.
status: 1
Array
(
)

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[PHP] Re: Ouput HTML w/PHP

[Catalin Trifu]

Hi,

   It seems to me you are going the wrong way with embedded PHP;
try separating logic from view, tons of mvc frameworks out there and
templating engines.
   Try firefox with web developer extension - Validate Local HTML.

Catalin


Rick Emery wrote:
 And now for something completely different...
 
 I have a question that has been nagging at me. I've searched the
 archives, FAQs, and web sites, but haven't found an answer.
 
 I have two ways that I've output HTML with PHP; one is to write the
 HTML, using the PHP tags to execute code when necessary. The other is to
 store the entire HTML output file in a string variable with
 concatenation and call the print (or echo) function at the bottom to
 output the page.
 
 Are there advantages one way or the other?
 
 This leads (sort of) to a second question: how can I validate my HTML?
 My applications run on an intranet (with database access), so I can't
 use the W3C Validator to point to the URL. If I try to upload the file,
 the validator doesn't parse the PHP to get the HTML output (which is why
 I wonder if I'm not better writing the HTML and sticking PHP where it's
 needed). Is there a way for me to maybe use the PHP tidy functions on
 the string containing the HTML ouput to validate it?
 
 Thanks in advance,
 Rick

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Re: Re[2]: [PHP] PHP vs. ColdFusion

[Matthew Weier O'Phinney]

* Andrew Scott [EMAIL PROTECTED]:
 CF is very rapid development, and you might say the same about PHP.
 The point is that these are all the things you need to take into
 consideration, the cost that it would take to develop and maintain in
 either language, as well as cost involved in the need of the
 application having to be a true enterprise solution.

 I am not here to bag php, I am here to make some points about the cost
 of the application in the overall scenario. Would you develop in a
 language that you know could not deliver an enterprise solution if in
 6 months that's what you really need, and how would you look if you
 recommended a language because it was free, but in time had to spend
 more again to make it fully scalable to an enterprise level if it
 needed it.

You've insinuated several times that PHP is not 'scalable to an
enterprise level'. Could you perhaps explain what you mean by this?

One informal definition for 'enterprise framework' I've read recently is
an enterprise framework allows the end-user to drop in only the
business logic to make it work; they do not need to add anymore
programming to the framework
(http://benramsey.com/2005/05/09/what-is-an-enterprise-framework/)

Now, I've seen a number of PHP frameworks where this is the case; you
drop in a config file of some sort, point your application to it, and
voila! Solution delivered!

That doesn't address scalability, however. So, let's look at that. I'm
not sure how CF scales, not having been in a CF shop. However, I know
what I can do to scale PHP:

* Use code optimizers/bytecode caches (zend, apc, eAccelerator)
* Build an LVS-HA cluster for a web farm (i.e., increase the number of
  machines able to serve data and pages)
* Focus on code optimization (i.e., make my code as efficient as
  possible)

(As an aside, the beauty of a cluster is that you can add or subtract
machines without the public noticing; the site remains up. Additionally,
since all the director does is pass requests to the nodes, and possibly
relay the responses back to the requestor, you can have machines of just
about any configuration running on the backend -- Linux, FreeBSD,
Windows, etc. -- so long as they speak the HTTP protocol.)

Could you please share why you feel PHP isn't enterprise ready, or why
CF is more enterprise ready? Other than the java integration; others
have pointed out that the Zend platform addresses that issue.

-- 
Matthew Weier O'Phinney
Zend Certified Engineer
http://weierophinney.net/matthew/

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Re: [PHP] Re: PHP vs. ColdFusion

[Yves Arsenault]

As for statistics, there are so many large intranet sites in use that
never see the light of day using CF, PHP, ASP.NET that numbers would
never be very acurate.

If it interests any of you, you could check out www.forta.com/blog/
and search for his listings of major corporate entities using
currently using CF.

I'm not pointing this out to say that there are more major CF sites
than PHP, that is not my point... my point is that saying As to
ColdFusion, It seems to me that this technology is dead already is
probably coming from someone who wouldn't know.

A CF (only) developer wouldn't know the PHP usage and community as
well as the PHP developer and vice versa. We are more familiar
with what we use. Common sense.

And of course, In reading so many this VS that posts, I would say
people are biased to their own preferrence, quite naturally

PHP and CF have their own pros and cons. The only way to truely
evaluate them is to use them both. That's my 2 cents.

Yves

On 6/30/05, Richard Lynch [EMAIL PROTECTED] wrote:
 On Tue, June 28, 2005 8:17 pm, Rick Emery said:
  Quoting Anton Kovalenko [EMAIL PROTECTED]:
 
  As to ColdFusion, It seems to me that this technology is dead already.
 
  What makes you say this? I had never heard anything like this, but it
  would certainly be powerful ammunition to present to my bosses.
 
 Perhaps some sort of web market penetration analysis...
 
 I just searched through Netcraft and whatsit that the PHP site references
 from http://php.net/usage.php
 
 Neither seemed to mention ColdFusion.
 
 There are, however, presumably people out there with some kind of opinion
 backed with some kind of statistical analysis, inherently flawed to some
 unknowable degree, that may relate to this.
 
 YMMV
 
 --
 Like Music?
 http://l-i-e.com/artists.htm
 
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-- 
Yves Arsenault

This year, or this month, or, more likely, this very day, we have
failed to practise ourselves the kind of behaviour we expect from
other people.
C.S. Lewis

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Re: [PHP] shell expansion (globbing) from inside php cli script

[Bob Winter]

Brian,

Is /www/files/services/ the correct relative path??  You could 
try using the absolute path to see if it fixes the problem.


Also, and maybe more significant, I use tcsh . . . if you use bash 
this could be the conflict. I see that the echo of the $cmd string 
from PHP is missing the '\}' that is in my test.


-- Bob

Brian V Bonini wrote:


Hmmm, this simply does not work for me. Maybe something with my version of
php or ssh.. I'm at a loss..



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RE: [PHP] PHP vs. ColdFusion

[Andrew Scott]

OK.

What is J2EE, if you know the answer to that then you will know that php
doesn't have the ability to run as multiple instances. Lets take security
for example, php is known to not have an installer because of security
correct me if I am wrong on this assumption. I am only going by what I hear
here.

So with that in mind let's talk about shared hosting, can you run php and
know that your website is secured in a shared hosting environment. That's
what J2EE is all about, being able to run multiple instance of an
application and CF can do this extremely well and be extremely secured.



-Original Message-
From: Brad Pauly [mailto:[EMAIL PROTECTED] 
Sent: Thursday, 30 June 2005 10:54 PM
To: php-general@lists.php.net
Subject: Re: [PHP] PHP vs. ColdFusion

On 6/30/05, Andrew Scott [EMAIL PROTECTED] wrote:

 Cons for PHP:
 -
 Coldfusion is also free (Blue Dragon) and has just as much support as PHP,
 although. PHP can not run in a J2EE environment, limiting it to small
scall
 websites and limiting the prospect of expansion or server migration.

I'm wondering if you could expand on this some. How does not running
in a J2EE environment limit PHPs ability to expand? In my opinion this
is not the case, but I'm always open to being convinced otherwise. I'm
also curious what you mean by small scale.

- Brad

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-Original Message-
From: Brad Pauly [mailto:[EMAIL PROTECTED] 
Sent: Thursday, 30 June 2005 10:54 PM
To: php-general@lists.php.net
Subject: Re: [PHP] PHP vs. ColdFusion

On 6/30/05, Andrew Scott [EMAIL PROTECTED] wrote:

 Cons for PHP:
 -
 Coldfusion is also free (Blue Dragon) and has just as much support as PHP,
 although. PHP can not run in a J2EE environment, limiting it to small
scall
 websites and limiting the prospect of expansion or server migration.

I'm wondering if you could expand on this some. How does not running
in a J2EE environment limit PHPs ability to expand? In my opinion this
is not the case, but I'm always open to being convinced otherwise. I'm
also curious what you mean by small scale.

- Brad

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RE: [PHP] PHP vs. ColdFusion

[Jay Blanchard]

[snip]
 Cons for PHP:
 -
 Coldfusion is also free (Blue Dragon) and has just as much support as
PHP,
 although. PHP can not run in a J2EE environment, limiting it to small
scall
 websites and limiting the prospect of expansion or server migration.

I'm wondering if you could expand on this some. How does not running
in a J2EE environment limit PHPs ability to expand? In my opinion this
is not the case, but I'm always open to being convinced otherwise. I'm
also curious what you mean by small scale.
[/snip]

It occurs to me that some may think that J2EE is required for enterprise
level applications, which is not the necessarily the case. It is a
matter of splitting hairs. But if you want to use the two together there
are several articles and how-to's on the web. I think that what is going
on here is that, depending on who you talk to, enterprise level means
different things.

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RE: [PHP] PHP vs. ColdFusion

[Jay Blanchard]

[snip]
What is J2EE, if you know the answer to that then you will know that php
doesn't have the ability to run as multiple instances. Lets take
security for example, php is known to not have an installer because of
security correct me if I am wrong on this assumption. I am only going by
what I hear here.
[/snip]

What do you mean multiple instances? And how does that apply to EE? I
do not think that the reason PHP doesn't have an installer has anything
to do with security.

[snip]
So with that in mind let's talk about shared hosting, can you run php
and know that your website is secured in a shared hosting environment.
That's what J2EE is all about, being able to run multiple instance of an
application and CF can do this extremely well and be extremely secured.
[/snip]

Any site developed properly in PHP will run in a shared hosting
environment securely. 

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Re: [PHP] PHP vs. ColdFusion

[Stut]

Andrew Scott wrote:

OK.

What is J2EE, if you know the answer to that then you will know that php
doesn't have the ability to run as multiple instances. Lets take security
for example, php is known to not have an installer because of security
correct me if I am wrong on this assumption. I am only going by what I hear
here.


First of all PHP does have installation utilities. There's one for 
Win32, there's the port in FreeBSD and I'm sure there are others (RPMs 
and the like).


Multiple instances in what sense? If you mean multiple servers running 
the same application this is very possible with PHP. If that's not what 
you mean please elaborate.



So with that in mind let's talk about shared hosting, can you run php and
know that your website is secured in a shared hosting environment. That's
what J2EE is all about, being able to run multiple instance of an
application and CF can do this extremely well and be extremely secured.


What does J2EE provide that makes it any more secure in a shared hosting 
environment than PHP? Again you have made a statement without explaining 
the reasons behind it.


-Stut

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[PHP] Re: Ouput HTML w/PHP

[Satyam]

Some time ago I started working on something realted to this. I was very 
unsatisfied with managing HTML as just another string, since HTML does have 
a structure, which we should be able to check before releasing it, if 
possible, by the same IDE we program with.  Perhaps you will want to check 
it:

http://www.satyam.com.ar/StructuredTags.htm

Satyam

Rick Emery [EMAIL PROTECTED] wrote in message 
news:[EMAIL PROTECTED]
 And now for something completely different...

 I have a question that has been nagging at me. I've searched the archives, 
 FAQs, and web sites, but haven't found an answer.

 I have two ways that I've output HTML with PHP; one is to write the HTML, 
 using the PHP tags to execute code when necessary. The other is to store 
 the entire HTML output file in a string variable with concatenation and 
 call the print (or echo) function at the bottom to output the page.

 Are there advantages one way or the other?

 This leads (sort of) to a second question: how can I validate my HTML? My 
 applications run on an intranet (with database access), so I can't use the 
 W3C Validator to point to the URL. If I try to upload the file, the 
 validator doesn't parse the PHP to get the HTML output (which is why I 
 wonder if I'm not better writing the HTML and sticking PHP where it's 
 needed). Is there a way for me to maybe use the PHP tidy functions on the 
 string containing the HTML ouput to validate it?

 Thanks in advance,
 Rick
 -- 
 Rick Emery

 When once you have tasted flight, you will forever walk the Earth
 with your eyes turned skyward, for there you have been, and there
 you will always long to return
  -- Leonardo Da Vinci 

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Re: Re[2]: [PHP] PHP vs. ColdFusion

[Brad Pauly]

On 6/30/05, Matthew Weier O'Phinney [EMAIL PROTECTED] wrote:
 
 That doesn't address scalability, however. So, let's look at that. I'm
 not sure how CF scales, not having been in a CF shop. However, I know
 what I can do to scale PHP:
 
 * Use code optimizers/bytecode caches (zend, apc, eAccelerator)
 * Build an LVS-HA cluster for a web farm (i.e., increase the number of
   machines able to serve data and pages)
 * Focus on code optimization (i.e., make my code as efficient as
   possible)

These also apply to CF. However, the built-in caching offered by CF
(and by that I mean the ability to store something in memory, like the
application scope) can actually be a draw back when going to a
multi-server environment. For example, say you have a query that you
would like to keep in memory for faster access. You can put this in
one of the shared scopes and you are all set. It's very easy, but when
you add another server, you now have that query duplicated on both
servers. Suppose you have many queries, or other objects that you
would like to keep in memory. Using this technique, they are all
duplicated on all of the servers. I don't think that is a very
efficient use of resources. Of course it doesn't have to be done that
way.

- Brad

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Re: [PHP] PHP vs. ColdFusion

[John Nichel]

Andrew Scott wrote:

OK.

What is J2EE, if you know the answer to that then you will know that php
doesn't have the ability to run as multiple instances. Lets take security
for example, php is known to not have an installer because of security
correct me if I am wrong on this assumption. I am only going by what I hear
here.

So with that in mind let's talk about shared hosting, can you run php and
know that your website is secured in a shared hosting environment. That's
what J2EE is all about, being able to run multiple instance of an
application and CF can do this extremely well and be extremely secured.


I've stayed away from this because I really don't know enough about Cold 
Fusion to compare them.  With your above statements, and others you have 
made in this thread, it is clear you do not know enough about PHP (or 
Java for that matter) to compare the two.  Why don't you do all of us 
poor little PHP developers a favor, and go beat your chest about CF 
somewhere else.


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Re: [PHP] PHP vs. ColdFusion

[Brad Pauly]

On 6/30/05, Andrew Scott [EMAIL PROTECTED] wrote:
 OK.
 
 What is J2EE, if you know the answer to that then you will know that php
 doesn't have the ability to run as multiple instances. Lets take security
 for example, php is known to not have an installer because of security
 correct me if I am wrong on this assumption. I am only going by what I hear
 here.
 
 So with that in mind let's talk about shared hosting, can you run php and
 know that your website is secured in a shared hosting environment. That's
 what J2EE is all about, being able to run multiple instance of an
 application and CF can do this extremely well and be extremely secured.

If by shared hosting you mean multiple websites on one physical
machine, well, it really depends on how things are set up. It is
possible to run multiple instances of Linux on one computer and have
each site running in a different one.

So assuming that both CF and PHP can be deployed in a secure
environment I would say that it's very easy to write insecure
applications in both, shared hosting or otherwise. Neither is
necessarily more secure than the other. I think most languages and
platforms are going to have thier own set of security concerns.

- Brad

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[PHP] Weird Image Problem

[Shane Little]

I'm bin2hex'ing images from an upload script and inserting into a mysql 
blob field.  The php script that re-packs the hex data back to binary, 
does the createimagefromstring() and streams the image to the browser is 
generating a corrupted image... i.e. The image looks fine until part-way 
down... then... no more image; just a gray background where the rest of 
the image should be.  Seems to happen on image any larger than 30 or so 
kilobytes.  Anybody working the the php image libraries seen this before?


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[PHP] cUrl and proxies

[Mark Rees]

Hello

This code gives me a 407  Proxy Authentication Required message. Can anyone
see what is missing? The username and password are definitely correct, as
are the proxy IP and port.

Win2k. php 5.0.4

$ch=curl_init();
curl_setopt ($ch, CURLOPT_URL, 'http://www.google.com/');
curl_setopt($ch, CURLOPT_HEADER, 1);
curl_setopt($ch,CURLOPT_HTTP_VERSION,'CURL_HTTP_VERSION_1_1');
curl_setopt($ch, CURLOPT_HTTPPROXYTUNNEL, 1);
curl_setopt($ch,CURLOPT_PROXY,'10.0.0.8:8080');
curl_setopt($ch,CURLOPT_PROXYUSERPWD,'abc:123');
$ret = curl_exec($ch);

Thanks in advance

Mark

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Re: [PHP] Ouput HTML w/PHP

[André Medeiros]

On Thu, 2005-06-30 at 08:50 -0400, Rick Emery wrote:
 And now for something completely different...
 
 I have a question that has been nagging at me. I've searched the 
 archives, FAQs, and web sites, but haven't found an answer.
 
 I have two ways that I've output HTML with PHP; one is to write the 
 HTML, using the PHP tags to execute code when necessary. The other is 
 to store the entire HTML output file in a string variable with 
 concatenation and call the print (or echo) function at the bottom to 
 output the page.
 
 Are there advantages one way or the other?
 
 This leads (sort of) to a second question: how can I validate my HTML? 
 My applications run on an intranet (with database access), so I can't 
 use the W3C Validator to point to the URL. If I try to upload the file, 
 the validator doesn't parse the PHP to get the HTML output (which is 
 why I wonder if I'm not better writing the HTML and sticking PHP where 
 it's needed). Is there a way for me to maybe use the PHP tidy functions 
 on the string containing the HTML ouput to validate it?
 
 Thanks in advance,
 Rick
 -- 
 Rick Emery
 
 When once you have tasted flight, you will forever walk the Earth
 with your eyes turned skyward, for there you have been, and there
 you will always long to return
   -- Leonardo Da Vinci
 

What I usually do is to use smarty. There is a lite version that does
just fine, and has a very small memory print. Usually, my last lines of
code are something like:

...
$RenderResult = $Template-fetch('template.tpl');
/* Do something if I need to */
echo $RenderResult;
?

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[PHP] Re: cUrl and proxies

[Mark Rees]

UPDATE: I think it is a bug in cURL, according to this link (I am using an
ISA proxy).

https://sourceforge.net/tracker/?func=detailatid=100976aid=1188280group_i
d=976

So all I need to do is install the latest version of cURL then. I am really
struggling with this - I don't have a good understanding of how PHP and cURL
interact. I already have the necessary dlls on my machine :

php_curl.dll
libeay.dll
ssleay.dll

But what can I download from

http://curl.haxx.se/download.html

I don't see any of those files there, and the windows package includes only
curl.exe - where does that fit in?

The readme files in the package I did download don't really help either:
http://curl.haxx.se/dlwiz/?type=*os=Win32flav=-ver=2000%2FXP

Please help if you can

Mark

Mark Rees [EMAIL PROTECTED] wrote in message
news:[EMAIL PROTECTED]
 Hello

 This code gives me a 407  Proxy Authentication Required message. Can
anyone
 see what is missing? The username and password are definitely correct, as
 are the proxy IP and port.

 Win2k. php 5.0.4

 $ch=curl_init();
 curl_setopt ($ch, CURLOPT_URL, 'http://www.google.com/');
 curl_setopt($ch, CURLOPT_HEADER, 1);
 curl_setopt($ch,CURLOPT_HTTP_VERSION,'CURL_HTTP_VERSION_1_1');
 curl_setopt($ch, CURLOPT_HTTPPROXYTUNNEL, 1);
 curl_setopt($ch,CURLOPT_PROXY,'10.0.0.8:8080');
 curl_setopt($ch,CURLOPT_PROXYUSERPWD,'abc:123');
 $ret = curl_exec($ch);

 Thanks in advance

 Mark

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[PHP] Re: Ouput HTML w/PHP

[Murray @ PlanetThoughtful]

Rick Emery wrote:

This leads (sort of) to a second question: how can I validate my HTML? 
My applications run on an intranet (with database access), so I can't 
use the W3C Validator to point to the URL. If I try to upload the file, 
the validator doesn't parse the PHP to get the HTML output (which is why 
I wonder if I'm not better writing the HTML and sticking PHP where it's 
needed). Is there a way for me to maybe use the PHP tidy functions on 
the string containing the HTML ouput to validate it?


If you run FireFox you can download the entirely invaluable Web 
Developer plugin, one feature of which (under the Tools button) is 
Validate Local HTML. This automates a post of your page to the W3C 
Validator, thus not requiring a URL visible to the ineternet. The only 
caveat being, you do still need internet access from your development 
machine for the post to be possible.


This is a great way for developers to validate the output of their code 
while it still resides on their local machines, prior to actually 
uploading the code to a public (and therefore visible) site.


Regards,

Murray

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[PHP] Missing characters when processing scripts

[Charlene]

I have a semi -random problem that characters in the php script are 
dropped.  A very noticible instance is in a statement like:


$query = SELECT junk FROM table;
$result = mysql_query( $query, $handle)  or die (mysql_error());

I get an error message from the die function like:

Error   SELECT jnk FROM table...

As you can see the error message has the SELECT statement with one 
character dropped (this is much more rare than single quotes or 
semicolons being dropped - but it definitely shows that the error isn't 
in the code).


If I wait a minute and do a browser refresh, the error goes away and 
either there is another character dropped or it works.


This problem was noticed in January a month after we upgraded PHP on our 
server to 4.3.10.


Thanks in advance
Charlene

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[PHP] postgres - mysql last_inserted_id

[Uroš Kristan]

Hello,

 

I have an application in production, build on mysql database.

I decided to migrate to postgres because of numerous reasons.

Can you guys please guide me into the right direction?

the main problem  is the missing autoincrement of pgsql and getting the last
record from the tabel, for linking to another tabel.

How do you deal with that?

also, can you please recommend me some good manual, explanation or book to
help me with this problem. 

Because the application uses around 250 tables in mysql and I would like to
make it righ t the first time

when migrating to pgsql..

 

I was thinking about using the pear db wrapper class, but

 

Regards,

Uroš KRISTAN

Re: [PHP] postgres - mysql last_inserted_id

[Richard Lynch]

On Thu, June 30, 2005 11:55 am, Uro¹ Kristan said:
 I have an application in production, build on mysql database.

 I decided to migrate to postgres because of numerous reasons.

 Can you guys please guide me into the right direction?

 the main problem  is the missing autoincrement of pgsql and getting the

I always do this:

create sequence TABLENAME_id;
create TABLENAME (
  TABLENAME_id int4 unsigned default(nextval('TABLENAME_id'))
)
create unique index TABLENAME_id_index on TABLENAME(TABLENAME_id);

You can use unique not null primary key in the column definition, but
then the name of the index is something I can't remember.

 last
 record from the tabel, for linking to another tabel.

You have to use http://php.net/pg_last_oid to get the PostgreSQL
internal Object ID (OID) -- You can then use the ubiquitous oid
column.

$query = insert ...;
pg_exec($connection, $query);
$oid = pg_last_oid($connection);
$query = select TABLENAME_id from TABLENAME where oid = $oid;
$id = pg_exec($connection, $query);
$id = pg_result($id, 0, 0);

Of course, the above code has no error-checking or anything like that, so
it gets about twice as long as that in Real Life.

It is possible to configure PostgreSQL to *not* have the oid stored in
each record, if you are really really really cramped for disk space, but
you have to *KNOW* in advance that you won't need to use the OID as above,
which is pretty rare...  I daresay that you'd have to be in a REALLY
high-performance and high-tolerance for error application to be able to
get away with that.

If somebody made such an almost-for-sure unwise decision to not have OID
fields in the tables, you are SOL.

 How do you deal with that?
 also, can you please recommend me some good manual, explanation or book to
 help me with this problem.

 Because the application uses around 250 tables in mysql and I would like
 to
 make it righ t the first time

 when migrating to pgsql..



 I was thinking about using the pear db wrapper class, but



 Regards,

 Uro¹ KRISTAN




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Re: [PHP] Missing characters when processing scripts

[Richard Lynch]

On Thu, June 30, 2005 11:04 am, Charlene said:
 I have a semi -random problem that characters in the php script are
 dropped.  A very noticible instance is in a statement like:

 $query = SELECT junk FROM table;
 $result = mysql_query( $query, $handle)  or die (mysql_error());

 I get an error message from the die function like:

 Error   SELECT jnk FROM table...

 As you can see the error message has the SELECT statement with one
 character dropped (this is much more rare than single quotes or
 semicolons being dropped - but it definitely shows that the error isn't
 in the code).

 If I wait a minute and do a browser refresh, the error goes away and
 either there is another character dropped or it works.

 This problem was noticed in January a month after we upgraded PHP on our
 server to 4.3.10.

Another recent poster was having random characters converted to non-ASCII
characters.

SELECT j*nk FROM table

where * is really a u with an umlaut, but I dunno how to get that out of
my keyboard...

It's possible that you have the same thing, but your software is not
displaying non-ASCII characters.

Even if it's not, I guess it could be related...

Anyway, dig into his thread from a couple weeks back in case that got
resolved...

I'd also check http://bugs.php.net

And maybe try going to 4.3.11 instead of .10, unless you have a very
specific reason for not going there.

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Re: [PHP] Re: cUrl and proxies

[Richard Lynch]

On Thu, June 30, 2005 9:27 am, Mark Rees said:
 UPDATE: I think it is a bug in cURL, according to this link (I am using an
 ISA proxy).
 https://sourceforge.net/tracker/?func=detailatid=100976aid=1188280group_i
 d=976

 So all I need to do is install the latest version of cURL then. I am
 really
 struggling with this - I don't have a good understanding of how PHP and
 cURL
 interact. I already have the necessary dlls on my machine :

How PHP and cURL (and Apache) interact:

PHP is a Module of Apache (or Service of IIS, or [shudder] runs as CGI)
php_curl.dll is a Module of PHP

So PHP is a tick on the back of the dog to Apache, and php_curl is a flea
on the tick. :-v

Now, in most cases, like MySQL, you also need MySQL installed on the
machine.  So, possibly, you will need that new curl.exe ALONG WITH a *new*
php_curl.dll

DO NOT ATTEMPT TO MIX-N-MATCH THE DIFFERENT VERSIONS OF DLL AND EXE!!!

While it might work for awhile, that's only sheer coincidence that the
particular functions in curl/php you are using didn't change between those
two versions.  As soon as you try to use a function that *DID* change,
Whammo! the thing will crash and burn.

You'll end up very cranky, possibly with a problem caused by a bad
decision months and months ago, and you won't have any idea of the cause
and effect relationship, cuz it worked fine for so long.

I'm not sure you even need the curl.exe -- I suspect that all the
functionality of curl.exe gets bundled up into php_curl.dll

Now the bad news:
You would need to re-compile php_curl, using your current version of PHP
source, and the version of curl source you want, on a Windows box, to get
the php_curl.dll you need.

That requires A) having a copy of MSVC++ (Microsoft Visual C++)
compiler/IDE and B) knowing how to work MSVC *very* well, to set up your
environment the way it needs to be to compile PHP.

A) is easy to solve if you have money.
B) is not so easy...  There may be a How To for PHP and MSVC out there,
but it sure didn't exist back when I tried this, quite some years ago.  I
failed miserably.

You may want to take your plight to the PHP-Windows mailing list.  There
are probably more people there who are actually capable of running MSVC
and getting PHP to compile.  They might just do it for you.  They may even
have the particular version of php_curl.dll you need available somewhere.

 php_curl.dll
 libeay.dll
 ssleay.dll

 But what can I download from

 http://curl.haxx.se/download.html

 I don't see any of those files there, and the windows package includes
 only
 curl.exe - where does that fit in?

 The readme files in the package I did download don't really help either:
 http://curl.haxx.se/dlwiz/?type=*os=Win32flav=-ver=2000%2FXP

 Please help if you can

 Mark

 Mark Rees [EMAIL PROTECTED] wrote in message
 news:[EMAIL PROTECTED]
 Hello

 This code gives me a 407  Proxy Authentication Required message. Can
 anyone
 see what is missing? The username and password are definitely correct,
 as
 are the proxy IP and port.

 Win2k. php 5.0.4

 $ch=curl_init();
 curl_setopt ($ch, CURLOPT_URL, 'http://www.google.com/');
 curl_setopt($ch, CURLOPT_HEADER, 1);
 curl_setopt($ch,CURLOPT_HTTP_VERSION,'CURL_HTTP_VERSION_1_1');
 curl_setopt($ch, CURLOPT_HTTPPROXYTUNNEL, 1);
 curl_setopt($ch,CURLOPT_PROXY,'10.0.0.8:8080');
 curl_setopt($ch,CURLOPT_PROXYUSERPWD,'abc:123');
 $ret = curl_exec($ch);

 Thanks in advance

 Mark

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Re: [PHP] Weird Image Problem

[Richard Lynch]

On Wed, June 29, 2005 3:30 pm, Shane Little said:
 I'm bin2hex'ing images from an upload script and inserting into a mysql
 blob field.  The php script that re-packs the hex data back to binary,
 does the createimagefromstring() and streams the image to the browser is
 generating a corrupted image... i.e. The image looks fine until part-way
 down... then... no more image; just a gray background where the rest of
 the image should be.  Seems to happen on image any larger than 30 or so
 kilobytes.  Anybody working the the php image libraries seen this before?

Storing images inside MySQL is almost always a Bad Idea in the first place...

I'll assume you know that, and have good reason to not use the super-fast,
custom-optimized large-data software specifically designed to handle your
images. *

First, check that MySQL blob fields are not limited to 32K somehow. I
suspect that they are.

Next, one has to wonder why use bin2hex?  Yes, it should generate only
0-9a-f characters, which are all valid for MySQL, but surely that is not
the best way to do this... I don't store images in MySQL, so don't KNOW
what is the best way, but I'm putting money down right now that bin2hex
ain't the best way.

* the super-fast, custom-optimized large-data software specifically
designed to handle your images is known as...   The File System. :-)

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Re: [PHP] Weird Image Problem

[Kristen G. Thorson]

Richard Lynch wrote:


On Wed, June 29, 2005 3:30 pm, Shane Little said:
 


I'm bin2hex'ing images from an upload script and inserting into a mysql
blob field.  The php script that re-packs the hex data back to binary,
does the createimagefromstring() and streams the image to the browser is
generating a corrupted image... i.e. The image looks fine until part-way
down... then... no more image; just a gray background where the rest of
the image should be.  Seems to happen on image any larger than 30 or so
kilobytes.  Anybody working the the php image libraries seen this before?
   



Storing images inside MySQL is almost always a Bad Idea in the first place...

I'll assume you know that, and have good reason to not use the super-fast,
custom-optimized large-data software specifically designed to handle your
images. *

First, check that MySQL blob fields are not limited to 32K somehow. I
suspect that they are.

Next, one has to wonder why use bin2hex?  Yes, it should generate only
0-9a-f characters, which are all valid for MySQL, but surely that is not
the best way to do this... I don't store images in MySQL, so don't KNOW
what is the best way, but I'm putting money down right now that bin2hex
ain't the best way.

* the super-fast, custom-optimized large-data software specifically
designed to handle your images is known as...   The File System. :-)

 




MySQL blobs are actually limited to 64K.  I think a MEDIUMBLOB holds 
about 16 MB if you're dead-set on storing the image in the database.  
You might want to check that your max_allowed_packets size is large 
enough.  You can find that by querying


SHOW VARIABLES LIKE 'max_allowed_packet';

I just double-checked the manual.  It does say that this needs to be set 
to the largest blob.



kgt

Re: [PHP] postgres - mysql last_inserted_id

[Jason Wong]

On Friday 01 July 2005 02:55, Uroš Kristan wrote:

 I have an application in production, build on mysql database.

 I decided to migrate to postgres because of numerous reasons.

Good idea :)

 Can you guys please guide me into the right direction?

 the main problem  is the missing autoincrement of pgsql and getting the
 last record from the tabel, for linking to another tabel.

 How do you deal with that?

The basic idea is that you use sequences which in postgresql are the 
equivalent of autoincrement in mysql.

Something like:

  INSERT INTO category (category_id, category_name, category_description)
   VALUES (nextval('category_id_seq'),
   new_category_name,
   new_category_description);

here 'category_id_seq' is the name of the sequence that produces the 
unique IDs for your category_id.

To use your newly created category_id in another table:

  INSERT INTO product (product_id, product_name, product_description, 
category_id)
   VALUES (nextval('product_id_seq'),
   new_product_name,
   new_product_description,
   currval('category_id_seq'));

nextval() and currval() are native postgresql functions which operate on 
sequences. Sequences are created automatically when you define a field to 
be of type 'serial'.

If you need get the actual value of the newly created category_id for use 
in php then you would have to do a select query, eg:

  select currval('category_id_seq') as new_category_id;

and do the usual pg_query() and pg_fetch_*() to process the result

 also, can you please recommend me some good manual, explanation or book
 to help me with this problem.

Lookup serial types and sequences in the (postgresql) manual for the 
basics.

 Because the application uses around 250 tables in mysql and I would
 like to make it righ t the first time

 when migrating to pgsql..

I would suggest that you start off with a 'smaller' project and explore 
all the ways where postgresql does things differently to and/or better 
than mysql, then work your way up to a more complex project. This would 
be much better than doing a hasty migration to postgresql - which does 
not make the most of what postgresql has to offer - and then trying to 
hack the postgresql features in afterwards.

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Open Source Software Systems Integrators
* Web Design  Hosting * Internet  Intranet Applications Development *
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Re: [PHP] postgres - mysql last_inserted_id

[Jason Wong]

On Friday 01 July 2005 04:06, Richard Lynch wrote:

  last
  record from the tabel, for linking to another tabel.

 You have to use http://php.net/pg_last_oid to get the PostgreSQL
 internal Object ID (OID) -- You can then use the ubiquitous oid
 column.


 $query = insert ...;
 pg_exec($connection, $query);
 $oid = pg_last_oid($connection);

I'm pretty sure I read somewhere that the the last OID can get messed up 
under some circumstances and the OID that you get is not the OID that you 
want. Can't remember whether this was a php-postgresql thing or simply a 
postgresql thing. But whatever it is, you don't need OIDs to use 
sequences.

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Open Source Software Systems Integrators
* Web Design  Hosting * Internet  Intranet Applications Development *
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Re: [PHP] Ouput HTML w/PHP

[Richard Lynch]

On Thu, June 30, 2005 5:50 am, Rick Emery said:
 This leads (sort of) to a second question: how can I validate my HTML?
 My applications run on an intranet (with database access), so I can't
 use the W3C Validator to point to the URL. If I try to upload the file,
 the validator doesn't parse the PHP to get the HTML output (which is
 why I wonder if I'm not better writing the HTML and sticking PHP where
 it's needed). Is there a way for me to maybe use the PHP tidy functions
 on the string containing the HTML ouput to validate it?

You could use ob_start() and then get the contents and run them through
Tidy before displaying.

You could also hack something up with wget (or similar) to get your PHP
output to the validator.

To expand on this theme a bit...

Anybody know of an application which:
  can be run from command line as a cron job
  gets HTTP output (possibly from intranet, possibly from internet)
  maybe even crawls a whole site (stay in my domain name)
  feed output to user-selected validator (w3c, webmonkey, local application)
  notifies webmaster of problems

In an ideal world:
Problem lines would be run through diff and the application would assume
(probably correctly) that only the first instance of a problem needs to be
reported.  I don't need 1893 complaints about the screwup on a template
page for a store with 1893 Products.

The user could flag certain output from the brain-dead validators as
non-issue

Example:
I really don't *care* that the BODY attributes I use to get rid of borders
in the content area only work in some browsers and aren't W3C kosher. 
THEY WORK!  Unlike the nightmare that is CSS in its current
implementations.

My long-term goal is to crawl my own sites, in a cron job, and nag the
hell out of me about any missing closing tags.

Maybe a super long-term dream goal is to get to W3C compliance, but only
after the browsers fix their CSS implementation, so I got a lot of
breathing room there...

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Re: [PHP] Weird Image Problem

[Shane Little]

Kristen G. Thorson wrote:
MySQL blobs are actually limited to 64K.  I think a MEDIUMBLOB holds 
about 16 MB if you're dead-set on storing the image in the database.  
You might want to check that your max_allowed_packets size is large 
enough.  You can find that by querying


SHOW VARIABLES LIKE 'max_allowed_packet';

I just double-checked the manual.  It does say that this needs to be set 
to the largest blob.



kgt





doh!

That seems to have been the problem.  I THOUGHT I had set the field up 
as a mediumblob or longblob turns out it was only a blob.. and 
you're right.. ~64k max


I had already checked the MAX_ALLOWED_PACKET yesterday and bumped it up 
to 16M.


Figures...  I've been staring at the computer screen too long.

Thanks for the help.

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Re: [PHP] PHP search

[Richard Lynch]

On Sun, June 26, 2005 8:13 pm, Bruce Gilbert said:
 I am fairly new to PHP, and I am looking to create a search
 functionality on a website using php. Can anyone point me to a good
 tutorial that can walk me through this?

Your best bets are:

Use http://google.com and add site:example.com as one of the search
terms.  That restricts Google to ONLY return results from the website
example.com

Use htdig to index your site.

A really really really distant third is to roll your own search engine. 
There are innumerable gothcas to it to start with, and unless you better
define what you want your search engine to do, what features you want it
to support, there isn't much we can do to advise you.

Here's an example:

Frequently, websites have an advanced search and a simple search.

It's usually clear to the beginning programmer that the advanced search
a very complicated bit of interaction between multiple search keys, and
requires a fair amount of complex business logic in the program.

What's often not as clear is that the simple search is often *WORSE* 
It's only simple for the *USER*, not necessarily for your programming. 
If your application has any kind of structure to its data more complex
than an amoeba-like table, then depending on what the user inputs, you
should probably be choosing entirely different fields/values and
algorithms to get your results.  simple search means simple for the
surfer, not for the coding.

YMMV
NAIAA

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RE: [PHP] PHP search

[Chris W. Parker]

Richard Lynch mailto:[EMAIL PROTECTED]
on Thursday, June 30, 2005 2:33 PM said:

 There are innumerable gothcas to it to start with, ...

Is that a special kind of goth?

:P


Chris.

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Re: [PHP] PHP search

[Greg Donald]

On 6/30/05, Richard Lynch [EMAIL PROTECTED] wrote:
 Use htdig to index your site.

Here's a nice tutorial on how to wrap ht://Dig results with PHP for
custom layouts and formatting:

http://www.devshed.com/c/a/PHP/Search-This/


-- 
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Zend Certified Engineer
MySQL Core Certification
http://destiney.com/

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Re: [PHP] the BACKSLASH

[Richard Lynch]

On Sun, June 26, 2005 3:01 pm, Martín Marqués said:
 El Dom 26 Jun 2005 18:12, Jochem Maas escribió:
 the backslash has caught us all out when we first started, and beyond.
 many 'noobs' have had the fortune of being explained, in depth,
 how and why concerning the backslash by a singular Richard Lynch ...

 but obviously nobody is immune (spot the mistake):
 http://www.zend.com/codex.php?id=15single=1

 The colors speak for themself. Just look at where everything turns red.
 :-D

 This is one thing that makes me love editors that color the coding.

 made me chuckle, thanks Richard - also for the whereis function and
 the many tips! :-)

 You bet!

Since the \ is also missing in front of the 'n's down in the sample
commented out code at the bottom, I'm guessing the highlighter is at fault
for stripping out \...

I lost control of the RLYNCH account long long long ago, and while I just
emailed webmaster AT zend DOT com, I'm not holding out hope of regaining
control any time soon...

So I can't really check and be 100% certain.

God only knows what email address RLYNCH is tied to, but it don't end up
in my Inbox these days.

PS Am I the only one that finds zend.com terribly slow to load? It seems
like I'm waiting for a lot of bad JavaScript and/or GoogleAds to do
things.  Ugh.  I love Zend, but... [shrug]  Guess they gotta pay the bills
somehow.

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Re: [PHP] the BACKSLASH

[Richard Lynch]

On Sun, June 26, 2005 2:42 pm, Sebastian said:
 backslash was invented for windows ;)

I'm pretty sure backslash as an escape character pre-dates Windows...

Maybe not, but pretty sure.

btw, what do we have to do to get Radio announcers to read / correctly?
It's *NOT* a backslash, you morons!

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Re: [PHP] Stop spreading PEAR FUD; WAS Re: [PHP] Re: PHP web archeticture

[Richard Lynch]

On Sun, June 26, 2005 12:57 pm, M Saleh EG said:
 In all the cases if someone thinks a framework is bloated. Should just
 keep
 it bloated for him/herself. Programmers, and specially PHP programmers who
 are the majority of web-programming in IT labor market. So being it
 bloated
 for someone or perceived to be bloated has no meaning for some other
 programmers, unless having the same needs and environment.

 It's simply a matter of prefrence. Period.

By this logic, Windows is not bloated.
Q.E.D.
:-)

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Re: [PHP] PHP vs. ColdFusion

[Esteamedpw]

 
In a message dated 6/29/2005 11:26:08 A.M. Central Standard Time,  
[EMAIL PROTECTED] writes:

Yes a  framework can be built in PHP, C# or any language but how would you
like to  design something like this.

cfpage
cfframe
cfinputHidden Name=test Caption=New Record
cfinputText Name=FirstName Caption=First  Name
/cfframe
/cfpage


How about something like Prado? looks just like it. _http://xisc.com_ 
(http://xisc.com)  

Re: [PHP] $_SESSION and header()

[Richard Lynch]

On Sun, June 26, 2005 7:33 am, Alessandro Rosa said:
 (a) : After saving a couple of data into two $_SESSION variables from a
 form,
 (b) : I used the header() function to redirect the browser to
 (c) : display another page.

(c) needs ?php session_start();? at the top, just like (a) and (b) and
(z) for any other page you want to use your session data.

Also, *WHY* redirect the browser and chew up an HTTP connection and make
your application twice as slow?

Plus, with the session_start() in there, you're going to duplicate all the
effort you've already gone to to build up the session data structure
(overhead).

At that point in your script, you could just include (c) and be done
with it.

It's a heck of a lot easier to debug without feeling like you're the
pinball in a fast-paced game of HTTP redirects, imho.

You also make life easier on cURL and other programmatic access of your
site, if you don't force them to play follow the bouncing ball to track
down what they asked for.  Just give it to them already. :-)

I played with header(Location: ) in my early PHP days, and stopped using
it rather quickly, unless I actually have a URL I want to maintain for the
search engines for awhile, but the document has actually moved.

Just because the re-direct works doesn't make it the best answer.

Others on this list just LOVE to have a bunch of header(Location: )
statements in their PHP code, so you are not alone.

Just something to think about. :-)

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Re: [PHP] including the result of one query in another query

[Richard Lynch]

On Sun, June 26, 2005 4:53 am, Brian V Bonini said:
 On Sun, 2005-06-26 at 06:38, Pedro Quaresma de Almeida wrote:
 Hi

 I have two databases, on for aeromodelistas (aeromodelling) and
 another for Códigos Postais (Postal Codes). I whant to do the
 following query

 SELECT CódigoPostal FROM Aeromodelistas
 WHERE CódigoPostal IN
   (SELECT distinct(CP4) FROM codigopostal.LOCART,codigopostal.DISTRITO
WHERE codigopostal.LOCART.DD=codigopostal.DISTRITO.DD
AND   codigopostal.DISTRITO.DESIG='Coimbra');


 I believer DISTINCT is not an SQL function, it's a statement.

 SELECT DISTINCT column_name FROM table_name;

In some implementations:
distinct(expr[, expr]*) [,expr]*
can be used to get only the columns within () to be distinct.
Other columns outside the parens can be duplicates.

I forget if MySQL does this or PostgreSQL.
http://mysql.com
http://postgresql.org

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Re: [PHP] including the result of one query in another query

[Richard Lynch]

On Sun, June 26, 2005 3:38 am, Pedro Quaresma de Almeida said:
 I have two databases, on for aeromodelistas (aeromodelling) and
 another for Códigos Postais (Postal Codes). I whant to do the
 following query

First, MySQL *DOES* allow you to select from multiple databases in a
single query.

Most RDBMS do not have that feature, AFAIK.

 SELECT CódigoPostal FROM Aeromodelistas
 WHERE CódigoPostal IN
   (SELECT distinct(CP4) FROM codigopostal.LOCART,codigopostal.DISTRITO
WHERE codigopostal.LOCART.DD=codigopostal.DISTRITO.DD
AND   codigopostal.DISTRITO.DESIG='Coimbra');

 This query is not working, and I do not know why. If I try the two
 queries individualy they work, togheter they don't!?

As noted, maybe your MySQL version doesn't support sub-queries.

Are you using mysql_error() to find out what went wrong?

Cuz MySQL is practically BEGGING you to ask it What went wrong?

http://php.net/mysql_error

 But the question I want to put to the members of this list is the
 following. Is it possible to do the following?

 // first do the subquery
 $sql_CP4s = select distinct(CP4) from
 codigopostal.LOCART,codigopostal.DISTRITO where
 codigopostal.LOCART.DD=codigopostal.DISTRITO.DD and
 codigopostal.DISTRITO.DESIG='$nomeDistrito';

 $resultado_CP4s = mysql_query($sql_CP4s,$ligacao);

 $linha_CP4s = mysql_fetch_assoc($resultado_CP4s);

 // then use it in the main query

 $sql_Aero_Dist_Masc = select count(Nome) from Aeromodelistas where
 year(AnoQuota)=2005 and Sexo='Masculino' and Distrito IN $linha_CP4s;

Yes, but...

You'll need to work on the syntax a bit.

//Add commas for valid SQL in an IN expression:
$linha_CP4s_sql = implode(, , $inha_CP4s

//Add parens for valid SQL in an IN expression:
... and Distrito IN ($linha_CP4s_sql) ;

 Is it possible?

Generally, it's SLOWER than using a JOIN or a sub-select.

Sometimes, particularly if the fields you are searching/joining on are not
indexed, it's actually faster.

This might be one of those cases, particularly since your Postal Codes
table probably has a LOT of entries.

For example, if you assume a rather modest number of aeromodellers (say,
2000) and a number of Postal Codes such as in the US of about 60,000 you
then have 2000 X 60,000 == 120,000,000 tuples in an unrestricted join.

Your basic $20/month webhost doesn't provide anywhere *NEAR* the amount of
temp/swap disk space you would need for 120 MILLION tuples to run AT ALL,
much less in some kind of reasonable time frame.

This could be rule-breaking time.

Normally, you would never, ever, ever want to have the same data
duplicated in two tables.

BUT, if your choice is between 120 MILLION tuples, and intelligently
de-normalizing your database, then intelligently de-normalize your
database.

Specifically:

add column to aeromoddellers DD varchar(10) default null;

(Only maybe it's int(11) instead of varchar(10) or whatever)

Write a cron job that does something like:
select id, something from aeromodellers where DD is null limit 100;
while (list($id, $something) = mysql_fetch_row($result)){
  select DD from posital_coditas where something about $something
  update aeromodellers set DD = $DD where id = $id
}

The purpose of the above psuedo-code is to COPY the DD you need from the
Postal Codes to the aeromodeller table.

Run the script every few minutes for a day or two, then when the table has
no NULL DD colums left, every day or so.

Add some triggers (or business logic) so that when $something changes, the
DD gets reset to NULL, and your cron job will re-copy the DD from the
Source Postal Codes.

While this is technically nasty de-normalized data, it is done in such a
way that:
1) The DD field is never set directly, only copied from the One True Source
2) The DD field may be NULL, and un-usable, but it's never *WRONG* data.
3) Instead of 120 MILLION tuples crippling your server, you have 2000*

* 2000 is really however many rows are in aeromodeller... It's still
(1/6)th of the search space, any way you cut it.

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Re: [PHP] array_diff php version

[Richard Lynch]

On Sun, June 26, 2005 2:19 am, André Le Tissier said:
 Help! Array_diff is the perfect function for what I am try to do but I
 have
 a php version 4.1.5. Is there any replacement I can use to achieve the
 same
 result

There are seven different solutions to this (with modifications of what
array_diff means) at http://php.net/array_diff

The PECL library also provides functions for forwards-compatibility, I do
believe, and I'm betting array_diff is one of them.

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Re: [PHP] Achieving 64-bit integers on 32-bit platforms

[Dan Goodes]

On Thu, 30 Jun 2005 at 00:16, Richard Lynch wrote:

 On Wed, June 29, 2005 9:02 pm, Dan Goodes said:
  This 32-bit limitation is haunting me everywhere I turn.
 
  Is it possible with PHP (at compile-time if need be) to make it use large
  (64-bit) integers?

 I believe that PHP runs fine on 64-bit hardware, and uses 64-bit ints
 everywhere on that...

 So, in theory at least, just buying a 64-bit machine would solve your
 problem...

 Not that you necessarily *can* run out and buy a 64-bit machine, mind you.

yes. especially since each of our front-end webservers would need to be
64-bit to do what i was hoping to do. what I was hoping for was a way to
make php use 64-bit integers (or fake it somehow), such as apache2.0.54
does for files of that size.

  I'm asking because I would like to perform operations on large files, and
 
  fillesize($filename)
 
  is returning an error, even when I use
 
  sprintf(%u, filesize($file))
 
  as per the manual for filesize(). I get:
 
  Warning: filesize(): Stat failed for FC4-i386-DVD.iso (errno=75 - Value
  too large for defined data type)
 
  Any thoughts/ideas/suggestions? Thanks!

 At least for THIS particular function, you could use exec(du $filename,
 ...) and then you'd have a string representation of the size, which you
 could then display or even manipulate with BC_MATH or that other
 new-fangled arbitrary precision mathematics PHP Module whose name I
 forget.

 This is a much less general solution, but may suffice for now.

well, it may suffice actually. I'm just not sure of the performance impact
of doing this for every file from all our front-end boxes anytime someone
does a directory listing.

thanks for the answers :-)

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Re: [PHP] a basic array question!

[Richard Lynch]

On Sat, June 25, 2005 2:01 pm, bruce said:
 feel kind of foolish posting this.. but i can't seem to figure it out for
 now..

Here's a way to tackle this kind of thing in the future:

Divide and Conquer.

print_r($foo) prints out a BUNCH of stuff.

Focus only on the outer layer:

 i have an array, i can do a print_r($foo) and get the following:
 Array
 (
 [bookmark] = 1
 [facets] = Array
.
.
.


Then simply do:

print_r($foo['facets']);

Now you can ignore a bunch of crap you don't care about.

Focus on the outer layer and begin again:

Array
(
[0] = Array
(
[lastname] = form id=facet-lastname
input type=hidden name=list value= /
input type=hidden name=offset value=0 /
input type=hidden name=orderBy value=username /
input type=hidden name=sort value=asc /
strongName:/strong
input type=text name=_lastname value= style=width: 125px /
input type=submit value=Search /
/form
}

Okay, now we have:

print_r($foo['facets'][0]);


Array
(
[lastname] = form id=facet-lastname
input type=hidden name=list value= /
input type=hidden name=offset value=0 /
input type=hidden name=orderBy value=username /
input type=hidden name=sort value=asc /
strongName:/strong
input type=text name=_lastname value= style=width: 125px /
input type=submit value=Search /
/form
}

Finally, print_r($foo['facets'][0]['lastname'] is your answer.

It won't always be [] -- If you are using objects you might need - in
there somewhere.

Figuring out where gets a lot easier if you focus on the Big Picture --
only the outer layer of your data structure, and drill down.

If at some point you know you need *ALL* the elements of an array, that's
easy enough.

That's the point at which you put in a loop to walk through them.

BUT

During your development, write the loop, see that it dumps out all the
elements, or at least a whole lot of stuff, and then stick an exit; at
the end, and focus on JUST the first element to tear that apart.

You can take the exit; out when you are all done, and it will work for all
the elements, assuming your data is well-formed.

In the meantime, focus on the outer layer, and focus on just ONE element
at a time, to avoid confusing yourself.

I do this all the time, especially when I'm dealing with somebody else's
structured data, and I don't really know what they've done.

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Re: [PHP] Re: send email at certain hour

[Richard Lynch]

On Sat, June 25, 2005 11:55 am, Arthur Wiebe said:
 vlad georgescu wrote:
 i want to make a reminder application which sends emails at certain
 hour
 in php. is this posibile ? if not, what else can I use ?


 I've done it using pure PHP for a calendar script.

 What I did was write a PHP script with a loop that checks every second
 whether or not something should be done. For example:


 ?php
 $t = true;
 while ($t) {
if (time() == $myTimeStamp) {
  mail(args);
}
 }
 ?

 at the top of the script I have a line like this:
 #!/usr/bin/env php
 for *nixs' and I wrote a little batch file for Windows systems.
 At least it works.

This works, but it's kind of resource intensive, I think...

You've pretty much got a whole PHP binary running all day, every day.  Not
a real big deal, but it's not really needed, as you'll see.

Your loop is the big issue.

You're going to call time() maybe a few thousand times in one second!

At least in *MY* single crude bench mark test, it got called 6082 times.
?php
$start = time();
$i = 1;
while (time() == $start){
  echo $i, \n;
  $i++
}
?

I will spare you the 6000+ lines of output, but it ended with 6082. :-)

Do you really want PHP sitting there spinning its wheels furiously to call
time() 6000 times every second?...

You could simple put a sleep(1) inside your loop, so it would sleep for
one second.

Even then, do you really need to check email every single second of every
day?

Maybe if you have a *TON* of email to send out...

It's more likely that sending email every 5 minutes would work just fine.

The better solution, IMHO, would be to use cron (see: man 5 crontab) to
run a script every 5 minutes to see who needs to get email notification,
and send out the emails, and quit.

5 minutes can be varied as needed for your application.

Sometimes it can be 24 hours, or a whole week.

Other times you actually *WANT* it every minute.

If your web calendar only allows things to occur on even 15 minute blocks,
then there's not much point to checking more frequently than every 15
minutes, because nothing can happen to change things until 15 minutes goes
by, except users changing their preferences, and that can either run the
script as well, or they can just be warned in the interface that it will
take at least 30 minutes for their change to take effect.

29 minutes, actually, if they just missed the last cron job, but who's
counting?

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Re: [PHP] Strange is_dir() behavior

[Richard Lynch]

On Sat, June 25, 2005 8:54 am, Marcos Mendonça said:
 Yes, if i try to to echo the variable $entry outside the if is returns
 the expected directories list.

 I tried giving it the full path and it still doesn't work.

Show us that source code.

Cuz I wouldn't expect it to work without the full path for is_dir()

But if it's not working with the full path...

You've done something wrong.

Okay, maybe you've found a bug in PHP that 1,238,874,988 other users have
missed...

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[PHP] Writing a PHP Web application

[Tim Burgan]

Hello,


What are the options to get code to run on the server (every XX
minutes), without any user interaction, etc.
Example 1: If I have a directory that contains files, can I write a
script that will delete all files older that 5 days?
Example 2: If I write an email web application, and the user wants to
send an email to 50 people, can I write a script that will send emails
individually XX seconds apart from each other, but have the progress
interfaced with the web page the user is on so they can see the
percentage progress of sent emails.

Is this possible? How do I do such things?
Are there any resources available that can help me with this?

Also,  back to the email example, is it possible that once an email is
composed and sent, that the web application can scan the email for
viruses, then show a message to the user if a virus was found in their
email, if no virus found, the email is then sent to the users as above.

How would I scan an email for viruses (or spam?)? And, scan it only once
so that system resources are not used to scan unnecessarily for every
recipient?

Any help would be greatly appreciated.


Thanks

Tim

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Re: [PHP] Verifying images with getimagesize()

[Richard Lynch]

On Sat, June 25, 2005 8:41 am, Jack Jackson said:
 Thanks for telling me about that, Edward. I apprecate it. Actually in
 this case I was using it only to verify that it was something like an
 image to validate the file type before allowing it on the server. But
 you raise a very good point and I appreciate it.

Just to be sure we aren't providing a false sense of security through
silence...

It *IS* possible (remotely, theoretically) somebody could construct an
image that passes getimagesize() and is a really nasty binary trojan
software hack to destroy your site.

It's even possible (very remotely, very theoretically) that it would look
like a perfectly fine image in Photoshop or any other application.

getimagesize() does not magically make you 100% safe -- It just means
that at least they took SOME effort to disguise the malware, and will have
to make a great deal of effort to make that malware execute and actually
*do* something, much less do something destructive.

Feel free to try chmod-ing your JPGs to be executable and then do
/full/path/to/images/silly.jpg from the command line...

Errr. Maybe you'd better do this on a computer you don't care about JUST
IN CASE.  You'd have to stumble across the 1 in a zillion chance this
would actually do anything, but it's there...

I think the first few bytes alone of a valid image are, by definition, not
a valid binary executable file, but don't quote me on that.

Throw PHP into the picture, though, and imagine they manage to get their
JPG file to be passed through the PHP parser, and they have a comment in
their JPG that says:
?php exec(rm -rf /);?

Granted, your application would have to be pretty screwed up to let them
run that JPEG through as if it were HTML/PHP, but it's not impossible to
find holes in well-known applications that let Bad Guys run arbitrary
files through PHP...

I'm not saying anybody has or hasn't developed such an image yet ; Only
that it COULD be developed.

Take a valid JPEG, keep the first N bytes that getimagesize() looks at,
and cram some PHP code on the end.  Voila!

Note that anybody smart enough to develop that image, would probably be
able to break into your site (or at least most sites) a lot easier some
other way. :-) :-) :-)

Also note that once that image existed, any idiot could upload it and take
advantage of it. :-( :-( :-(

Tip:
Nothing beats the human eye for finding bad stuff.
If you are worried about this, give your users a feedback link to notify
you of images that look wrong

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Re: [PHP] Stop spreading PEAR FUD; WAS Re: [PHP] Re: PHP web archeticture

[Richard Lynch]

On Sat, June 25, 2005 7:32 am, Matthew Weier O'Phinney said:
 * Catalin Trifu [EMAIL PROTECTED] :
 I also tend to stay away from PEAR, which is kinda bloated for my
 taste, except the Log package.

 rant
 I hear that a lot on this list, and I don't understand the reasoning
 behind such comments -- perhaps because nobody offers any reasoning,
 only the opinion?

 I'm a PEAR user, and I've found the packages anything *but* bloated.
 Granted, I only use a subset of PEAR, but that subset has made mycoding
 easier. I use DB, Log, Mail, Mail_MIME, HTML_QuickForm, Cache_Lite, and
 Pager daily; additionally, we use custom PEAR error handlers to catch
 errors generated by these packages, log them, and display custom error
 pages. If I'd had to write the functionality I have readily available in
 these packages, I wouldn't have a job right now. They've helped me meet
 numerous deadlines.

 If somebody could offer some *constructive* criticism of PEAR -- PEAR as
 it is TODAY, not 3 years ago, when I last tried it -- these comments
 would have more weight. As it is, I feel they're just FUD based on
 ignorance.
 /rant

rant
When I see some killer feature in PEAR that I think will make up for the
*DAYS* of my time that PEAR wasted three years ago, I'll try it again.

I remain adamant that PEAR is bloated, has too many internal dependencies,
and gives me nothing faster/easier than rolling my own.

YMMV
/rant

:-)

I *like* the PEAR guys.  I appreciate that they've given some great code
that lets people just slap it in and it works.

I'm sure some people just LOVE the integrated error handling that silently
eats all the errors in PEAR.

Maybe they even appreciate that it also eats all the following errors I
was sending to the Apache log which I monitored. :-( :-( :-(

If that's how you want to build you application, more power to you.

*I* don't like to work that way.

I will probably continue to boil down my opinion to PEAR is bloated
rather than waste time on this list, yet again, provding specific details
of my experience.  Read the archives if you want detail.

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Re: [PHP] Writing a PHP Web application

[Philip Hallstrom]

What are the options to get code to run on the server (every XX
minutes), without any user interaction, etc.


If you are running on a unix like system (linux, freebsd, solaris, etc.) 
cron can do this for you.  See this: http://en.wikipedia.org/wiki/Cron


If on windows there are probably scheduling applications, but I don't know 
anything about them.



Example 1: If I have a directory that contains files, can I write a
script that will delete all files older that 5 days?


Yes.  Write the script to do what you want it to do and then have cron 
execute it on the time period you define.



Example 2: If I write an email web application, and the user wants to
send an email to 50 people, can I write a script that will send emails
individually XX seconds apart from each other, but have the progress
interfaced with the web page the user is on so they can see the
percentage progress of sent emails.


Yes.  This is a bit trickier as you would need to coordinate with a 
backend process that looks for emails that are ready to send them, does 
the sending and also writes out some status info (either to a temp file or 
to a database, or to shared memory).  Then your web page would need to 
repeatedly check that status to update the user on the progress.



Also,  back to the email example, is it possible that once an email is
composed and sent, that the web application can scan the email for
viruses, then show a message to the user if a virus was found in their
email, if no virus found, the email is then sent to the users as above.


Yes.  You could install a virus scanner such as ClamAV 
(http://www.clamav.net/) and have it scan the message prior to handing it 
off to the backend process that does the sending.



How would I scan an email for viruses (or spam?)?


Same idea, but use something like SpamAssassin 
(http://spamassassin.apache.org/)


And, scan it only once so that system resources are not used to scan 
unnecessarily for every recipient?


Sure. Just do it before handing it off to the script that actually does 
the mailing...


-philip

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[PHP] getting a filename [with no extension] out of a url

[Graham Anderson]

if  $_SERVER['SCRIPT_NAME'] give this
/folder/folder/Library/php/filename.php

what would be the proper way to strip the string until only 'filename' 
is left

I'm a bit new at eregi stuff

any help would be appreciated
many thanks

g

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Re: [PHP] getting a filename [with no extension] out of a url

[Tom Rogers]

Hi,

Friday, July 1, 2005, 9:54:42 AM, you wrote:
GA if  $_SERVER['SCRIPT_NAME'] give this
GA /folder/folder/Library/php/filename.php

GA what would be the proper way to strip the string until only 'filename'
GA is left
GA I'm a bit new at eregi stuff

GA any help would be appreciated
GA many thanks

GA g


I do this:
$file = '/folder/folder/Library/php/filename.php';
$ext = @substr($file, (@strrpos($file, .) ? @strrpos($file, .) + 1 : 
@strlen($file)), @strlen($file));
$fname = basename($file,$ext);

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Re: [PHP] Re: MMcache question

[Richard Lynch]

On Sat, June 25, 2005 3:37 am, Catalin Trifu said:
 No! You don't have to rewrite your application. What mmacache does is
 to keep a bytecode version of the script available so that PHP won't
 have
 to reparse the script every time, which is expensive and also has a nice
 code optimizer.

This is a common misconception about PHP cache systems...

The PHP parser is *NOT* the big win

Avoiding the hard disk read is the big win

The PHP parser, even in PHP 5, just is NOT that complex.

We're not talking C++ here.

We're not even talking C.

It's PHP!

The entire language fits on a couple web pages for cripes' sake.
[Not all the module/function stuff, just what the PARSER has to figure out]

mmcache, Turck, eaccalerator, Zend Cache, whatever.

They all have this oft-repeated misconception that they make your script
faster because the PHP parser is taken out of the loop.

The PHP parser being taken out of the loop is just gravy -- Something the
cache does just because it's mind-numbingly easy, once you develop a cache
at all.

The true performance win is not having to hit the hard drive to *read* the
PHP script before you parse it.  It's already in RAM.

The Zend Cache will make most applications at least 2 X as fast.
About 1.9 of this speed increase probably comes from the fact that the
script is in RAM.
And maybe only 0.1 from the PHP parser getting bypassed.

I made the 1.9 and 0.1 numbers up out of thin air for illustrative
purposes!!!  They are NOT real numbers. They *ARE* representative of the
imbalance at work here.

The 2 X number ain't made up.  That's what Zend customers routinely
reported in worst-case situations when I worked there (several years ago).
 4 X was often the real world speed-up.

You don't get a 2 X speed-up from the PHP parser not ripping through a
bunch of text.  No way.  No how.

You could (possibly) achieve similar speed-ups just having a RAM disk for
all your PHP code.  Though I think even a RAM disk has significant
overhead in mimicing the file control function calls that is beggared by
the Cache lookup.

There are pathalogical cases where the Cache will do you no good at all,
or even degrade performance.

The most obvious one is if you have *WAY* too many PHP scripts scattered
into *WAY* too many files, and your site has a *LOT* of pages with
widely-distributed viewing.

IE, imagine a site with 10,000 pages, but instead of the home page being
the one everybody hits all the time, that site has everybody deep-linking
to all the pages equally often.

Also imagine that each of the 10,000 pages opens up 10 *different* PHP
include files to generate its output.

[This is an extreme pathalogical example...  But less extreme real-world
cases exist.]

The Cache will end up thrashing and re-loading script after script because
they can't all fit in RAM at once.

I saw one client that literally had snippets of PHP code spread out in
thousands of files, which they were combining to create PHP scripts on
the fly from the database in a combinatorial-explosive algorithm.

The Cache they used (not naming names, because it's irrelevent) was
actually slowing down their site, a little bit, due to the overhead
involved.

They would have to have consolidated scripts, thrown *WAY* more RAM at it,
or just completely changed their algorithm to fix it.

I think they ended up doing a little of all that.

Plus throwing more hardware at it.  PHP is a shared-nothing architecture
for a reason. :-)

Most sites have a couple include files that get loaded on every page. 
Those pretty much get loaded into RAM and never move.  And that's where
the cache shines.  No disk read.  Just RAM.  Raw Hardware Speed, baby.

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Re: [PHP] Re: MMcache question

[Sebastian]

you sound exactly like someone i know..
i enjoy reading your long posts.. no sarcasm ;-)

i'd defently hire you, but you're probably too expensive ;-)

Richard Lynch wrote:


On Sat, June 25, 2005 3:37 am, Catalin Trifu said:
 


   No! You don't have to rewrite your application. What mmacache does is
to keep a bytecode version of the script available so that PHP won't
have
to reparse the script every time, which is expensive and also has a nice
code optimizer.
   



This is a common misconception about PHP cache systems...

The PHP parser is *NOT* the big win

Avoiding the hard disk read is the big win

The PHP parser, even in PHP 5, just is NOT that complex.

We're not talking C++ here.

We're not even talking C.

It's PHP!

The entire language fits on a couple web pages for cripes' sake.
[Not all the module/function stuff, just what the PARSER has to figure out]

mmcache, Turck, eaccalerator, Zend Cache, whatever.

They all have this oft-repeated misconception that they make your script
faster because the PHP parser is taken out of the loop.

The PHP parser being taken out of the loop is just gravy -- Something the
cache does just because it's mind-numbingly easy, once you develop a cache
at all.

The true performance win is not having to hit the hard drive to *read* the
PHP script before you parse it.  It's already in RAM.

The Zend Cache will make most applications at least 2 X as fast.
About 1.9 of this speed increase probably comes from the fact that the
script is in RAM.
And maybe only 0.1 from the PHP parser getting bypassed.

I made the 1.9 and 0.1 numbers up out of thin air for illustrative
purposes!!!  They are NOT real numbers. They *ARE* representative of the
imbalance at work here.

The 2 X number ain't made up.  That's what Zend customers routinely
reported in worst-case situations when I worked there (several years ago).
4 X was often the real world speed-up.

You don't get a 2 X speed-up from the PHP parser not ripping through a
bunch of text.  No way.  No how.

You could (possibly) achieve similar speed-ups just having a RAM disk for
all your PHP code.  Though I think even a RAM disk has significant
overhead in mimicing the file control function calls that is beggared by
the Cache lookup.

There are pathalogical cases where the Cache will do you no good at all,
or even degrade performance.

The most obvious one is if you have *WAY* too many PHP scripts scattered
into *WAY* too many files, and your site has a *LOT* of pages with
widely-distributed viewing.

IE, imagine a site with 10,000 pages, but instead of the home page being
the one everybody hits all the time, that site has everybody deep-linking
to all the pages equally often.

Also imagine that each of the 10,000 pages opens up 10 *different* PHP
include files to generate its output.

[This is an extreme pathalogical example...  But less extreme real-world
cases exist.]

The Cache will end up thrashing and re-loading script after script because
they can't all fit in RAM at once.

I saw one client that literally had snippets of PHP code spread out in
thousands of files, which they were combining to create PHP scripts on
the fly from the database in a combinatorial-explosive algorithm.

The Cache they used (not naming names, because it's irrelevent) was
actually slowing down their site, a little bit, due to the overhead
involved.

They would have to have consolidated scripts, thrown *WAY* more RAM at it,
or just completely changed their algorithm to fix it.

I think they ended up doing a little of all that.

Plus throwing more hardware at it.  PHP is a shared-nothing architecture
for a reason. :-)

Most sites have a couple include files that get loaded on every page. 
Those pretty much get loaded into RAM and never move.  And that's where

the cache shines.  No disk read.  Just RAM.  Raw Hardware Speed, baby.

 



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Re: [PHP] newline and pregreplace

[Richard Lynch]

On Fri, June 24, 2005 3:18 pm, Dotan Cohen said:
 I've got a line like this:
 $str=preg_replace( -regex here-, '\nnote\1/note', $str);

 Which has one of two problems: If I leave the single quotes around the
 second argument, then it returns as \n and not a newline. If I change
 the single quotes to double quotes, then the info from the regex is
 not inserted in place of the \1.

 What is one to do in these situations?

Single quotes have only two (2) special characters:
' and \

You need \' to get a ' buried inside a single quote.

Since you use \ as the escape character, but you might want \ in the
string,  you also want to use \\ to get a single \ in your string.

That's pretty much *IT* for single quotes.


Double quotes have much for flexibility.

Embedded variables, special characters like \n \r \t ..., embedded 1-D
arrays and object dereferences (-) and even (in recent times) an {}
construct to evaluate an expression and splice it in.

In PHP, you need \n inside double quotes to get a newline.
[Okay, there are other ways, but it's the most common way.]

\n inside of single quotes don't mean squat.

So, in PHP \n is newline.

I think \1 just turns into 1 because 1 is not special following \...
But I can't begin to remember *ALL* the characters that are special
following \ especially when you start getting into octal/hex
representations.

The trick to remember is that if you want \ in PHP, you need \\ to get
a single \

Now, both PHP *and* RegEx use \ as a special character.

So, not only do you need \\ in PHP to get a single \, you *ALSO* may
need one (or more) \ characters to feed into your RegEx.

In your case:
\n...\1 turns into this in PHP internally:
[newline]...1

Because \1 don't mean squat to PHP either, really.  It just means 1

[Unless it means ASCII charcter 1, which I doubt...]

Anyway, the \ is being used by PHP as an escape character, and you need a
\ to get down to the RegEx parser.

\n...\\1 will do that.

PHP will see the \\ and turn it into \ internally.

The \ gets handed to the RegEx parser, and it sees:
[newline]...\1
for its input string.

That's what you want.

Always try to see your PHP / RegEx strings in three stages:

1. What you type in PHP.
2. What PHP stores internally, which is what it hands to RegEx
3. What RegEx is going to parse #2 into.

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Re: [PHP] Re: send email at certain hour

[Arthur Wiebe]

Richard Lynch wrote:

On Sat, June 25, 2005 11:55 am, Arthur Wiebe said:


vlad georgescu wrote:


i want to make a reminder application which sends emails at certain
hour
in php. is this posibile ? if not, what else can I use ?



I've done it using pure PHP for a calendar script.

What I did was write a PHP script with a loop that checks every second
whether or not something should be done. For example:


?php
$t = true;
while ($t) {
  if (time() == $myTimeStamp) {
mail(args);
  }
}
?

at the top of the script I have a line like this:
#!/usr/bin/env php
for *nixs' and I wrote a little batch file for Windows systems.
At least it works.



This works, but it's kind of resource intensive, I think...

You've pretty much got a whole PHP binary running all day, every day.  Not
a real big deal, but it's not really needed, as you'll see.

Your loop is the big issue.

You're going to call time() maybe a few thousand times in one second!

At least in *MY* single crude bench mark test, it got called 6082 times.
?php
$start = time();
$i = 1;
while (time() == $start){
  echo $i, \n;
  $i++
}
?

I will spare you the 6000+ lines of output, but it ended with 6082. :-)

Do you really want PHP sitting there spinning its wheels furiously to call
time() 6000 times every second?...

You could simple put a sleep(1) inside your loop, so it would sleep for
one second.

Even then, do you really need to check email every single second of every
day?

Maybe if you have a *TON* of email to send out...

It's more likely that sending email every 5 minutes would work just fine.

The better solution, IMHO, would be to use cron (see: man 5 crontab) to
run a script every 5 minutes to see who needs to get email notification,
and send out the emails, and quit.

5 minutes can be varied as needed for your application.

Sometimes it can be 24 hours, or a whole week.

Other times you actually *WANT* it every minute.

If your web calendar only allows things to occur on even 15 minute blocks,
then there's not much point to checking more frequently than every 15
minutes, because nothing can happen to change things until 15 minutes goes
by, except users changing their preferences, and that can either run the
script as well, or they can just be warned in the interface that it will
take at least 30 minutes for their change to take effect.

29 minutes, actually, if they just missed the last cron job, but who's
counting?



Yes, that is something I forgot to mention. I use the sleep() function 
with a value of 1 and the script runs using 0% of the CPU.


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Re: [PHP] Object Oriented PHP (5)

[Richard Lynch]

On Fri, June 24, 2005 12:56 pm, Josh Olson said:
 PHP has inspired me to become a better programmer.  I have been
 actively reading books as well as online content to try to become
 better at designing and programming object oriented web applications.
 My primary focus is PHP.

 Will you help a pragmatic programmer in training out by suggesting
 some worthwhile resources?

 I have read the following already:
 PHP 5 Power Programming
 Advanced PHP Programming
 Pragmatic Programming
 Gang of Four Design Patterns
 php.net/oop
 zend.com php 5 resources
 most of ibm object design articles
 http://www.solarphp.com/home/
 and many many many shitty online tutorials and source repositories

I didn't read any of those books.

Only PHP books I've really read all the way through were the ones I
Tech-Edited.  I don't think I'd really feel right recommending those,
solely because I worked on them, but they are pretty good books.
PHP Bible series and MySQL/PHP Database Applications.

I mostly learned Programming from going to college.

Well, okay, really mostly from trying out all kinds of stuff sort of
loosely based (or not) on what the boring homework assignments didn't
cover. :-)

I take it back.  I *have* read many many many shitty online tutorials and
source repositories.  So you got that going for ya :-)

Honestly, the best reference *I* know of is:
http://php.net/manual
The User Contributed notes are priceless.
Well, some of them anyway.
You have to find the pearls in the muck.

And, of course, this list, which has provided invaluable support for YEARS
from people way way way smarter than me.

One other piece of advice:

Write lots and lots of code.

Lots of it.

I was just reading an interview with Jakob Dylan, whom you may or may not
like, but he said something intereesting, which I'll paraphrase.

I really wasted a lot of years not writing songs, because I knew I
couldn't write them as good as I wanted.  I knew I had much better songs
in me, maybe even great songs, but I couldn't get myself to write them,
because I didn't know how.

Eventually I realized.  You have to write 10, 100, a thousand bad songs
before you've learned enough to write good ones.

That's just how it works.

If you sit around not writing songs, because they'll be bad, you won't get
anywhere.

So, stop reading so many books and start typing! :-)

Some other suggestions to consider:
Take some cheap programming courses at a local community college.  Even if
you whiz through them, you'll have a piece of paper that helps get a job,
and you'll be surprised how much you learn (or re-learn) from a structured
course that books and on-line digging won't push you through.

Re-write some old code of your own.  Amazingly instructive, and often
leads you to new heights. Plus your old stuff suddenly has a lower
maintenance cost, for some odd reason... :-)

Publish some articles or code snippets on your site. The act of trying to
explain what you did to somebody else will open up worlds of
understanding. You never really understand something until after you've
taught it to somebody else. :-)

Re-read the whole front part of http://php.net/manual/ -- Just up to the
function definitions part.  That section of the manual that defines the
actual language (quotes, commas, and braces) is SEVERELY under-studied by
virtually every PHP programmer, even the ones who have been around forever
and a day.

Try to work on a project with another developer.  You may tear your hair
out.  You may want to kill them.  You may learn a whole hell of a lot. 
Maybe what you learn is that a whole lot of developers just don't think
like you do.  That's okay too.  At least, it's okay for me. :-) [shrug]

Work on a cool new project just for fun, with no time-line, and no
intention of every finishing, much less releasing it, nor showing it to
anybody.  Just write that cool program you've always wanted to write. 
Hell, I do this with a dozen projects at once, all the time.  Don't pay
the bills.  Don't get the house cleaned up either.  But I'm happy.  What's
that worth?

Sure, some of these won't ever get finished. Hell, some of them I've just
plain lost interest in over the years.  So?  I've put in a lot of happy
hours instead of drudgery.  Wanna put a price on that?

One of them turned into the code that's still in production use 10 years
later. [shrug] I'm not all that interested in it, but some other guy uses
it all the time, and maintains it. Hell, I'd forgotten all about it,
pretty much.  Certainly had no idea this guy was still using/maintaining
it.

Ooooh.  At the risk of being branded a heretic, try to pick up another
language or two.  Start with something a whole lot like PHP.  Maybe Perl,
or even C.

You'll have to shove all your PHP knowledge over to one side of your
brain, cram all the new stuff into the other half of your brain, and then
compare/contrast.

Then, for real fun, try to learn something totally whacked-out different
like Lisp, Scheme, Forth, Logo, or even 

Re: [PHP] Can't even make a simple test RSS feed

[Richard Lynch]

On Fri, June 24, 2005 12:23 pm, Brian Dunning said:
 What am I doing wrong? This doesn't work. The browser does not even
 load the page, no error or anything:

 ?php

 echo '?xml version=1.0?rss version=2.0channel';
 echo 'item';
 echo 'titlehdfghdf/title';
 echo 'descriptiondfghdfh/description';
 echo 'linkhttp://somelink/link';
 echo '/item';
 echo '/channel/rss';

 ?

Now that you've got the browsers fooled with a .rss extension, go back
and rip out all those silly echo statemnts :-)

More seriously, unless this was just a test to make sure PHP was working
you really don't even need PHP for 90% of what you typed...

:-)

I'm assuing you'll actually put more complex PHP code in there now, but I
couldn't resist.

More seriously, you probably should have some embedded newlines in there,
even for the silly example that it is.

As it stands now, your XML is one giant long line.

Maybe XML parsers don't care, but the people who have to read your script
output *DO* care.

Take care that your PHP output is readable, as well as your PHP source.

Your PHP output *IS* source, or it will be to somebody, somewhere,
someday, if your site gets any traffic at all.

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Re: [PHP] reading PDF's

[Richard Lynch]

On Fri, June 24, 2005 12:10 pm, Jon said:
 Is it possible to read text from a PDF file with PHP? How?

At the crudest level, you can fopen/fread a PDF and dump it out, and pick
out the plain-text readable bits with your eyes. :-)

After that, there are definitely some commercial command-line tools to
convert PDF to text (or HTML or whatever) that you can Google for.

There may be a free one, or even an OpenSource one, but I've never heard
of it, possibly because they'd have to pay a license to Adobe (Macromedia
this week?) to be legal...

Note that PDFs can have the text encrypted, or password-protect the PDF,
or the text could have been rendered into an image which was embedded in
the PDF (ugh!).

At that point, you can maybe get the image out and use some kind of OCR
softare like OmniPage to read it.

Over the years and versions the PDF changed a lot, so be sure to have a
representative sample of PDFs to throw at your testing.

You don't want to get to launch and find out 90% of the real PDFs simply
don't work. :-(

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Re: [PHP] Re: MMcache question

[Richard Lynch]

On Thu, June 30, 2005 5:25 pm, Sebastian said:
 you sound exactly like someone i know..
 i enjoy reading your long posts.. no sarcasm ;-)

 i'd defently hire you, but you're probably too expensive ;-)

Thanks!

Some people take my posts far more seriously and/or negatively than I
intend, though...
[shrug]

That's the 'net for ya.

Believe it or not, I pre-censor a whole lotta stuff before I hit Send
even if it don't seem like it.

All caught up with PHP-General. Whoo Hooo!

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Re: [PHP] getting a filename [with no extension] out of a url

[Richard Davey]

Hello Graham,

Friday, July 1, 2005, 12:54:42 AM, you wrote:

GA if  $_SERVER['SCRIPT_NAME'] give this
GA /folder/folder/Library/php/filename.php

$_SERVER['SCRIPT_NAME'] won't give you that,
$_SERVER['SCRIPT_FILENAME'] would.

SCRIPT_NAME would just give you /filename.php

And if you need to remove the slash at the start, pick any of the
following: substr, str_replace, preg_replace, strpos, etc.

Best regards,

Richard Davey
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Re: [PHP] Achieving 64-bit integers on 32-bit platforms

[Richard Lynch]

On Thu, June 30, 2005 4:02 pm, Dan Goodes said:
 On Thu, 30 Jun 2005 at 00:16, Richard Lynch wrote:

 On Wed, June 29, 2005 9:02 pm, Dan Goodes said:
  This 32-bit limitation is haunting me everywhere I turn.
 
  Is it possible with PHP (at compile-time if need be) to make it use
 large
  (64-bit) integers?

 At least for THIS particular function, you could use exec(du
 $filename,
 ...) and then you'd have a string representation of the size, which you
 could then display or even manipulate with BC_MATH or that other
 new-fangled arbitrary precision mathematics PHP Module whose name I
 forget.

 This is a much less general solution, but may suffice for now.

 well, it may suffice actually. I'm just not sure of the performance impact
 of doing this for every file from all our front-end boxes anytime someone
 does a directory listing.

 thanks for the answers :-)

You could *MAYBE* get a performance gain out of caching fullpath,
filemtime, and filesize in a database, if every page is already opening a
database connection anyway...

I'm not sure a file stat is slower than a query or not.  Actually, nobody
is sure.  Depends on your hardware.

Obviously you need an index on the file path, and that can limit the path
length more than the OS limits it, but this may or may not matter, and you
may or may not have all these files rooted in some known directory you can
leave off to ameliorate the limit...

I guess you could even md5 hash the full path, and take the basename() and
store both.  Odds on those both matching up and causing a collision are
astronmical, I think.

Another option would be to catch the error, and only use exec(du) when
you absolutely had to, for the files over 2 Gig.

Or even (gasp!) just tell the user over 2 Gig any time the error
occurred. :-)

Cuz, really, once a file is over 2 Gig, does anybody using a web interface
to look at it really care?...

Maybe for your application they would, because the are using the web
interface to do things.

But maybe most people would be like Okay, that's monster big, I ain't
downloading THAT sucker! for everything over 2 Gig anyway.

Depends why you are doing this, but it's a POSSIBLE answer if it's a
linked system to let folks download stuff.

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RE: [PHP] PHP search

[Richard Lynch]

On Thu, June 30, 2005 2:36 pm, Chris W. Parker said:
 Richard Lynch mailto:[EMAIL PROTECTED]
 on Thursday, June 30, 2005 2:33 PM said:

 There are innumerable gothcas to it to start with, ...

 Is that a special kind of goth?

Yeah, it's California Goth, also known as Surf Goth.

But sometimes people think it means something entirely differnt from that:
Canadian Goth, eh?

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Re: [PHP] postgres - mysql last_inserted_id

[Richard Lynch]

On Thu, June 30, 2005 2:17 pm, Jason Wong said:
 On Friday 01 July 2005 04:06, Richard Lynch wrote:

  last
  record from the tabel, for linking to another tabel.

 You have to use http://php.net/pg_last_oid to get the PostgreSQL
 internal Object ID (OID) -- You can then use the ubiquitous oid
 column.


 $query = insert ...;
 pg_exec($connection, $query);
 $oid = pg_last_oid($connection);

 I'm pretty sure I read somewhere that the the last OID can get messed up
 under some circumstances and the OID that you get is not the OID that you
 want. Can't remember whether this was a php-postgresql thing or simply a
 postgresql thing. But whatever it is, you don't need OIDs to use
 sequences.

There are innumerable on-line forums that (incorrectly) state that an OID
could be returned that is not connection-specific, so two HTTP requests in
parallel would criss-cross OIDs.

This is patently false, and any user of PostgreSQL can demonstrate that in
minutes (okay, an hour for a newbie) of coding.

OIDs *can* get re-used *IF* you end up having more than 32-bits (2 billion
plus) of objects in the lifetime of your application.

For normal usage, that ain't a big problem, honestly...

Though I should have stated it for the record, cuz maybe the OP has a site
where 2 BILLION INSERTs are gonna happen.

The solutions there are the same as for not having OID in the first place
-- Have some other unique identifier you generate yourself in the INSERT,
or use that *with* the OID to be 100% certain you get back the same row
from your 2 billion plus data set.

If there's a reliable, web-safe, connection-dependent way of getting the
sequence ID used in an INSERT, it sure ain't documented, and I've never
seen it discussed on the PostgreSQL list (which I dropped off awhile ago,
so maybe it's something new).

If PostgreSQL guys added some new-fangled thing, sorry!  It should be
documented under http://postgresql.org if you search for OID and sequence,
you'd hope.

You *could* write your application to SELECT nextval('TABLENAME_id') and
then provide the ID on the INSERT statement, and then you already have the
ID, but that's kinda hokey, and goes against the grain of just letting the
database do its job... Sort of an elegant and crude solution all at once.

Though that also limits you to 2 billion plus records per table -- which
is better than OID which is shared across all tables in a single database.

If you are dealing in 2 billion object PostgreSQL databases, and you don't
know all this already, you're in DEEP trouble...
Start reading:
http://postgresql.org/
See ya in a couple months. :-)

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[PHP] Re: php5.1 compiling memory usage

[Xuefer]

On 6/14/05, Xuefer [EMAIL PROTECTED] wrote:
 i'm compiling php5.1 using
 php zend_vm_gen.php --with-vm-kind=GOTO (or SWITCH)
 and make
 it takes me 300 virtual mem to compile zend_execute.c without ending,
 hav eto CTRL+c to break
 
 CFLAGS:
 -g3 -O3 -Wall -march=pentium3 -pipe
php5.1 is on the road, anyone insterested?

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Re: [PHP] Object Oriented PHP (5)

[Matthew Weier O'Phinney]

* Richard Lynch [EMAIL PROTECTED] :
 On Fri, June 24, 2005 12:56 pm, Josh Olson said:
  PHP has inspired me to become a better programmer.  I have been
  actively reading books as well as online content to try to become
  better at designing and programming object oriented web applications.
  My primary focus is PHP.
 
  Will you help a pragmatic programmer in training out by suggesting
  some worthwhile resources?
 
  I have read the following already:

snip

 I didn't read any of those books.

snip

 One other piece of advice:

 Write lots and lots of code.

 Lots of it.

Amen. Only after approaching similar problems several times will you
find a more general, elegant solution that could solve all of them. It's
the repetition of the problem, and the differing approaches that inform
your ability to program towards it. The only way to get there is doing
lots of coding.

 Re-write some old code of your own.  Amazingly instructive, and often
 leads you to new heights. Plus your old stuff suddenly has a lower
 maintenance cost, for some odd reason... :-)

I do this all the time. It's invaluable. Sometimes you find some little
gems -- and most of the time you discover how much you've learnt since
then, and you refactor it and make it better.

 Publish some articles or code snippets on your site. The act of trying to
 explain what you did to somebody else will open up worlds of
 understanding. You never really understand something until after you've
 taught it to somebody else. :-)

I keep a blog, mostly about my PHP development. I do this in part for
myself. If I act as if I'm explaining it for someone else, I often get
to the meat of an issue or problem -- a place I might not have visited
had I not spent that extra time trying to understand it enough to
explain it. My blog has a public face, but it's really for myself.

snip

 Try to work on a project with another developer.  You may tear your hair
 out.  You may want to kill them.  You may learn a whole hell of a lot. 
 Maybe what you learn is that a whole lot of developers just don't think
 like you do.  That's okay too.  At least, it's okay for me. :-) [shrug]

I work with another developer, and we're constantly refactoring
each other's code. But the brilliant part of it is that we then learn
from each other as well. Do some code review for another developer
some time. As Richard notes, writing lots of code will improve your
coding ability; so will *reading* lots of code.

snip

 Ooooh.  At the risk of being branded a heretic, try to pick up another
 language or two.  Start with something a whole lot like PHP.  Maybe Perl,
 or even C.

I wouldn't understand PHP half as well as I do if I didn't know perl
already. I still use perl regularly; sometimes it's suited for the task.
But that's another reason to learn other languages -- to determine when
PHP is the right tool for the job, and when another language is.

 Well, that got long and philosophical, didn't it?

Yes, but well worth th read. Thanks, Richard!

-- 
Matthew Weier O'Phinney
Zend Certified Engineer
http://weierophinney.net/matthew/

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[PHP] Upload and Read pdf file

[Bagus Nugroho]

Hi All,
 
is possible to upload pdf file into MySQL database, then read in web browser 
using php?
And how?
 
Thanks for help
rgds

[PHP] Conversion of period and space for $_GET, $_REQUEST, etc. is rather senseless

[Joe Krahn]

PHP imports GET and POST data to array elements by senselessly 
converting periods and spaces to underscore. The intent is to make 
strings variable-name compatible for conversion directly into global 
variables via import_request_variables or register_globals.


String-to-variable name mangling should only occur when being converted 
to variable names, but should be left as is when accessed as array 
elements. The current implementation is particularly bad because it 
mangles only periods and spaces, but leaves alone other special/unusual 
characters. Furthermore, the direct conversion into global name space is 
discouraged for security reasons.


A feature-request was made related to this, but it was marked as Won't 
Fix, primarily due to compatibility concerns. However, I think it's a 
poor design, and there must be some compatible way to move beyond this 
misfeature.


Do other people really want to keep the period/space name mangling for 
array keys, and not just for variable names? And, what happens when 
importing other special characters to variable names?


Joe Krhn

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