php-general Digest 24 Sep 2006 00:05:39 -0000 Issue 4364
php-general Digest 24 Sep 2006 00:05:39 - Issue 4364
Topics (messages 242144 through 242162):
Re: PHP5 object construct
242144 by: Chris Boget
Re: libcurl (cookies across cURL session). . .?
242145 by: Michael Williams
Object to array conversion oddity
242146 by: Marcus Bointon
242147 by: Ray Hauge
242149 by: Marcus Bointon
242150 by: Marcus Bointon
242151 by: Ray Hauge
242152 by: Marcus Bointon
242153 by: Robert Cummings
242154 by: Robert Cummings
242155 by: Marcus Bointon
242156 by: Ray Hauge
242157 by: Jon Anderson
242159 by: Marcus Bointon
242160 by: Marcus Bointon
242162 by: Robert Cummings
Re: File Upload Security and chmod
242148 by: tedd
Re: php/css and .htaccess [SOLVED]
242158 by: J?rgen Wind
Re: symlink
242161 by: Tom Rogers
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---BeginMessage---
ok, so if we were talking Java, perhaps you are looking for
information that allows you to build 'accessor' and 'mutator' methods?
If so, then your example should work (syntax aside). Here's another
'test' example that I just whipped up and tested that shows you can
use any method name you wish.
As I said previously, accessor/mutator methods are exactly what I am looking
for. I do like the idea of having a public 'interface' (for the lack of a
better word) to a private property. I don't particularly care for using
just the __set() and __get() methods because they are too arbitrary. If I
needed to do any specific checking or formatting for a property, either in
defining or returning the value, I'd have to have a big giant switch()
statement. So here is a roundabout solution that I got the idea/code for
while researching this issue:
class MyClass {
private $_bob;
// Private so all property access is done through the
// __set() and __get() methods
private function setBob( $bob ) {
$this-_bob = $bob;
}
private function getBob() {
return $this-_bob;
}
function __get( $var ) {
$methodName = 'get' . $var;
if( method_exists( $this, $methodName )) {
return call_user_func( array( $this, $methodName ));
} else {
throw new Exception( 'Method [' . $methodName . '] does not exist' );
}
//echo In __get( $var )\n;
}
function __set( $key, $var ) {
$methodName = 'set' . $key;
if( method_exists( $this, $methodName )) {
call_user_func( array( $this, $methodName ), $var );
} else {
throw new Exception( 'Method [' . $methodName . '] does not exist' );
}
//echo In __set( $key, $var )\n;
}
function __call( $method, $args ) {
//echo 'Calling [' . $method . '] with args: [' . print_r( $args, TRUE )
. ']';
}
}
try {
$myClass = new MyClass();
$myClass-Bob = 'JoeBobBriggs' ;
echo '$myClass: pre' . print_r( $myClass, TRUE ) . '/pre';
echo $myClass-Bob . '';
} catch( Exception $e ) {
echo 'Caught exception: ', $e-getMessage(), \n;
}
Now I can do whatever checking I need to do in the setBob() method and any
formatting in the getBob() method.
The above is not my original idea and I wish I could remember the name of
the person to thank for pointing me in this direction. :|
thnx,
Chris
---End Message---
---BeginMessage---
Tom,
I tried writing to a local file(./cache/cookiejar), but to no avail.
I'll give /tmp a try to see if that location makes any difference.
Permissions aside, I should be able to write where I wish, correct?
Thanks,
Mike
On Sep 23, 2006, at 7:43 AM, [EMAIL PROTECTED]
wrote:
From: Tom Atkinson [EMAIL PROTECTED]
Date: September 23, 2006 7:42:32 AM EDT
To: php-general@lists.php.net
Subject: Re: [PHP] libcurl (cookies across cURL session). . .?
Use cURL's own cookie handling features.
curl_setopt($ch, CURLOPT_COOKIEJAR, '/tmp/cookies.txt');
curl_setopt($ch, CURLOPT_COOKIEFILE, '/tmp/cookies.txt');
That will store the cookies in the file and read them from there
next time. /tmp may or may not be a suitable location.
---End Message---
---BeginMessage---
A simple class like this:
class Myclass() {
public $field1 = '';
private $field2 = '';
public function __sleep() {
return array('field1', 'field2');
}
}
$myclass = new Myclass;
If I var_dump this, I get:
object(Myclass)#6 (2) {
[field1]=
string(0)
[field2:private]=
string(0)
}
If I coerce this to an array:
$arr = (array)$myclass;
the properties change names in a most unhelpful way:
array(2) {
[field1]=
string(0)
[Myclassfield2]=
string(0)
}
The docs (http://www.php.net/manual/en/language.types.array.php) say:
If you convert an object to an array, you get the properties (member
variables) of that object as the
[PHP] libcurl (cookies across cURL session). . .?
Hi all, Is there any way at all by which to persist cookies across cURL sessions? Basically I have a login page that sets cookies and looks for them for logged in status so that the user may use the site to their heart's content. The problem with cURL, however, appears that after the initial login, any further attempts are foiled by the fact that the cookies don't remain. How exactly should I go about doing this? Thanks, Mike -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] libcurl (cookies across cURL session). . .?
On Sat, 2006-09-23 at 02:10 -0400, Michael Williams wrote: Hi all, Is there any way at all by which to persist cookies across cURL sessions? Basically I have a login page that sets cookies and looks for them for logged in status so that the user may use the site to their heart's content. The problem with cURL, however, appears that after the initial login, any further attempts are foiled by the fact that the cookies don't remain. How exactly should I go about doing this? You should be able to retrieve the cookies from the response headers. Then you just need to resend them. There may be an option for cURL to do this automatically. Search for cookie at the following link (check the user comments also): http://ca.php.net/manual/en/ref.curl.php Cheers, Rob. -- .. | InterJinn Application Framework - http://www.interjinn.com | :: | An application and templating framework for PHP. Boasting | | a powerful, scalable system for accessing system services | | such as forms, properties, sessions, and caches. InterJinn | | also provides an extremely flexible architecture for | | creating re-usable components quickly and easily. | `' -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] libcurl (cookies across cURL session). . .?
Robert, Thanks. The thing is that lots of cookies are set regularly. Are you suggesting that every time I receive a Set-Cookie: to 1)parse that line out 2)append it to a file 3) retrieve it when necessary? I'm not terribly familiar with the proper format for a cookie, but I'll look into it. I'd appreciate *any* insights you have. Regards, Mike On Sep 23, 2006, at 2:28 AM, Robert Cummings wrote: On Sat, 2006-09-23 at 02:10 -0400, Michael Williams wrote: Hi all, Is there any way at all by which to persist cookies across cURL sessions? Basically I have a login page that sets cookies and looks for them for logged in status so that the user may use the site to their heart's content. The problem with cURL, however, appears that after the initial login, any further attempts are foiled by the fact that the cookies don't remain. How exactly should I go about doing this? You should be able to retrieve the cookies from the response headers. Then you just need to resend them. There may be an option for cURL to do this automatically. Search for cookie at the following link (check the user comments also): http://ca.php.net/manual/en/ref.curl.php Cheers, Rob. -- .. | InterJinn Application Framework - http://www.interjinn.com | :: | An application and templating framework for PHP. Boasting | | a powerful, scalable system for accessing system services | | such as forms, properties, sessions, and caches. InterJinn | | also provides an extremely flexible architecture for | | creating re-usable components quickly and easily. | `' -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] Help converting C to PHP
On Fri, September 22, 2006 7:40 pm, Rory Browne wrote: Fair enough. Prime Number Script Competition ( for Bragging Rights ). I challenge the readers of this list to produce the necessary code to find the lowest prime number higher than a certain inputted number. The script must be web based, and ask the user to enter a number. The script must then calculate the lowest Prime Number above that number. Scripts will be rated on Functional Accuracy ( the program must correctly perform its required function ), Code Maintainability(eg Presence of Comments, etc ), Ease of Use, and Code Efficiency, in that order. Brownie points may be earned through use interesting or original ideas or methodologies, provided they do not compromise the previous four criteria. The submitted script will be rated by volunteers from this list. Submitting an entry disqualifys you as a volunteer judge, whilst judging someone elses code disqualifys you as a candidate. Deadline for submissions is 12:00 (Noon) (CEST UTC + 2 Hours) on Friday 29 September. Interesting to see (a) if anyone enters, and (b) what the code will be like. I think it would be a lot of fun if well executed. I'm in. What's the submission process? -- Like Music? http://l-i-e.com/artists.htm -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
[PHP] Re: +AFs-OT+AF0- Working with version control
Richard Lynch wrote: On Thu, September 21, 2006 7:08 pm, Colin Guthrie wrote: I've used CVS a fair amount, no branching, as everybody always said what a bear it was to merge. I keep hearing subversion is easier to branch/merge. Absolutely! I never quite managed to get CVS's branching and merging. It all worked etc. but it was very hard to visualise. Tomorrow, I've been tasked by the boss to find out HOW easy and how to do it for a big change that needs doing. But I'd also like to hack away on the little changes in, err, the trunk, I guess... So can I keep those both around? And would the branch live in a subdirectory or what? In subversion this is very easy. The top level names trunk, branches and tags are just convensions used in subversion and it's generally a good idea to use these are your root folders. Just think about subversion as a big filesystem the base is / (or D:\ if you're a windows person). In that base you have three folders trunk, branches and tags. Inside the /trunk folder you can create a folder for any given project. If you want to branch, you just copy the /trunk/myproject/ folder to e.g. /branches/myproject/bigchangeforboss/ You can then checkout the branch and work happily on implementing large changes, commiting them as normal. In a different location, you can also checkout /trunk/myproject/ and do the little changes. If you want those littel changes to also go into the branch, it's just a simple matter of using the svn merge command to effectivly copy the changes you made in trunk to your branch. This is just a matter of saying I want the changes made in trunk between revision x and revision y to be applied to my local checkout of this branch. The changes are merged into you checkout (it's best to do merges when you have no uncommited changes in your checkout). You will then have quite simply a local repository with changes to the files. You then just have to commit them with a relevent log message: e.g. svn commit -m Merged revisions x-y from trunk. Hope that helps. Col. -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] File Upload Security and chmod
On Saturday 23 September 2006 01:27, you wrote:
Hi Borge,
host/users/myDomain is the actual directory (and it's the root
directory), and I do not have access to higher directories. So
basically I do not have access to directories higher than my root
directory, which is unfortunate. Also, the way the server is setup
that I am on, I do not have access to the server's tmp file (it is not
shared), I have my own tmp file in my root directory that I use. I
don't know of any other system-wide read/write directory available
either. I'd be putting a lot of data there too (customer uploaded
images) so I really should save them somewhere in my directory and not
in the common server space.
You can start to see my bind... :( Any thoughts greatly appreciated!
Andy
Sounds like cheap b-one hosting of sorts...
thoughts? yes dont use it... Yer site will probably quickly become a playing
ground for other than yerself. A file have to stay inside a quarantined area
for a sanity check before let loose on the system.
Probably the cache of the browser ... for the I can see the page stuff. dunno.
But as I said: Change yer hosting, to something useable and safe.
On 9/22/06, Børge Holen [EMAIL PROTECTED] wrote:
On Friday 22 September 2006 22:58, Andy Hultgren wrote:
Hi,
I am relatively new to php and am trying to set up a file upload
process for my website. I have read through the php security
documentation and a number of the security-related questions on these
lists and am attempting to implement as many of the measures as
possible.
One of the suggestions I have read is to have the uploaded files saved
somewhere outside of your root directory. Unfortunately I cannot do
that as my root directory is simply www.myDomain.com and not
.public_html/ and I am on a shared server where my root cannot be
changed (I have already asked). So, I am trying to keep the
permissions on my saved_files folder as tight as possible except
when the actual upload occurs. I this as follows:
1) The actual file upload comes through Flash8, and when the user
uploads a file it is sent to
www.domain.com/flash8directory/upload.php, which is in the same
directory as the Flash8 upload application.
2) upload.php first chmod 0740 the saved_files folder (which is
located at www.domain.com/flash8directory/saved_files/). Then it does
security checks to make sure an appropriate image has been uploaded,
and if everything looks good it moves the uploaded file to
saved_files.
3) The Flash8 upload application is notified of the completion of the
upload and downloads the new image it its viewer.
4) Once the download is complete and Flash8 no longer needs to work
with the file, the Flash8 application notifies a separate php script
by sending the variable complete=1 to lockdown.php (located at
www.domain.com/flash8directory/lockdown.php), which runs the following
simple script:
?php
$success = 0;
$complete = $_POST['complete'];
if ($complete==1) {
if(chmod(./saved_files, 0100)) {
success = yes;
echo success=yes;
}
}
?
This script works and saved_files is set to chmod 0100, but here is
the problem. If I then navigate directly to the url of the uploaded
file by entering its path in my
browser(www.domain.com/flash8directory/saved_files/uploadedFile.jpg),
the uploaded file appears in my browser! However, if I then refresh
the browser I get the desired error message saying I do not have
permission to access that file. Also, other browser windows never
have access to view the uploaded file, only the browser from which the
file was uploaded.
Any thoughts on why I can view the uploaded file even though it has
been set to chmod 0100? I'd really rather not have those files
accessible to anyone, as an extra security layer.
Thank you for your help!
Andy
I don't quite understand why you cannot save to another catalog.
is www.myDomain.com yer actual directory name of merely the domain?
If either, login to yer domain and simply go either one step up, is that
possible?
You can also make use of a .htaccess file inside a sub directory to keep
others from it till you have checked the file, then move it out in the
open or delete after specifications.
Do you have access to /tmp ? That one is possible to use, in fact any
system wide directory writable by any/you is usable.
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http://www.arivene.net
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Re: [PHP] reading urlencoded data from POST
Accessing $HTTP_RAW_POST_DATA is similar to reading php://input which I mentioned in my previous email. I am not quite sure what is $_POST useful for. It is intended for reading urlencoded data which it does only in special cases (no \0 or \5C chars) and everyone has to parse it himself. Did I miss something? -- Marek 'MMx' Ludha On 9/23/06, Richard Lynch [EMAIL PROTECTED] wrote: Search php.net for RAW_HTTP_POST or somesuch. It's there for ya. -- Like Music? http://l-i-e.com/artists.htm -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] Help converting C to PHP
Whoops - sorry replied directly to Richard instead of to the list. Submission process is simply to post to the list. It's probably a good idea ( and acceptable ) to just post an SHA1(MD5 for this purpose is compromised) hash of your code before the deadline, and submit your actual code shortly after the deadline. The result must be greater than the input. For 2 as an input, I'd expect 3 as output. Rory
Re: [PHP] libcurl (cookies across cURL session). . .?
Use cURL's own cookie handling features. curl_setopt($ch, CURLOPT_COOKIEJAR, '/tmp/cookies.txt'); curl_setopt($ch, CURLOPT_COOKIEFILE, '/tmp/cookies.txt'); That will store the cookies in the file and read them from there next time. /tmp may or may not be a suitable location. Michael Williams wrote: Robert, Thanks. The thing is that lots of cookies are set regularly. Are you suggesting that every time I receive a Set-Cookie: to 1)parse that line out 2)append it to a file 3) retrieve it when necessary? I'm not terribly familiar with the proper format for a cookie, but I'll look into it. I'd appreciate *any* insights you have. Regards, Mike On Sep 23, 2006, at 2:28 AM, Robert Cummings wrote: On Sat, 2006-09-23 at 02:10 -0400, Michael Williams wrote: Hi all, Is there any way at all by which to persist cookies across cURL sessions? Basically I have a login page that sets cookies and looks for them for logged in status so that the user may use the site to their heart's content. The problem with cURL, however, appears that after the initial login, any further attempts are foiled by the fact that the cookies don't remain. How exactly should I go about doing this? You should be able to retrieve the cookies from the response headers. Then you just need to resend them. There may be an option for cURL to do this automatically. Search for cookie at the following link (check the user comments also): http://ca.php.net/manual/en/ref.curl.php Cheers, Rob. --.. | InterJinn Application Framework - http://www.interjinn.com | :: | An application and templating framework for PHP. Boasting | | a powerful, scalable system for accessing system services | | such as forms, properties, sessions, and caches. InterJinn | | also provides an extremely flexible architecture for | | creating re-usable components quickly and easily. | `' -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] PHP5 object construct
ok, so if we were talking Java, perhaps you are looking for
information that allows you to build 'accessor' and 'mutator' methods?
If so, then your example should work (syntax aside). Here's another
'test' example that I just whipped up and tested that shows you can
use any method name you wish.
As I said previously, accessor/mutator methods are exactly what I am looking
for. I do like the idea of having a public 'interface' (for the lack of a
better word) to a private property. I don't particularly care for using
just the __set() and __get() methods because they are too arbitrary. If I
needed to do any specific checking or formatting for a property, either in
defining or returning the value, I'd have to have a big giant switch()
statement. So here is a roundabout solution that I got the idea/code for
while researching this issue:
class MyClass {
private $_bob;
// Private so all property access is done through the
// __set() and __get() methods
private function setBob( $bob ) {
$this-_bob = $bob;
}
private function getBob() {
return $this-_bob;
}
function __get( $var ) {
$methodName = 'get' . $var;
if( method_exists( $this, $methodName )) {
return call_user_func( array( $this, $methodName ));
} else {
throw new Exception( 'Method [' . $methodName . '] does not exist' );
}
//echo In __get( $var )\n;
}
function __set( $key, $var ) {
$methodName = 'set' . $key;
if( method_exists( $this, $methodName )) {
call_user_func( array( $this, $methodName ), $var );
} else {
throw new Exception( 'Method [' . $methodName . '] does not exist' );
}
//echo In __set( $key, $var )\n;
}
function __call( $method, $args ) {
//echo 'Calling [' . $method . '] with args: [' . print_r( $args, TRUE )
. ']';
}
}
try {
$myClass = new MyClass();
$myClass-Bob = 'JoeBobBriggs' ;
echo '$myClass: pre' . print_r( $myClass, TRUE ) . '/pre';
echo $myClass-Bob . '';
} catch( Exception $e ) {
echo 'Caught exception: ', $e-getMessage(), \n;
}
Now I can do whatever checking I need to do in the setBob() method and any
formatting in the getBob() method.
The above is not my original idea and I wish I could remember the name of
the person to thank for pointing me in this direction. :|
thnx,
Chris
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Re: [PHP] libcurl (cookies across cURL session). . .?
Tom, I tried writing to a local file(./cache/cookiejar), but to no avail. I'll give /tmp a try to see if that location makes any difference. Permissions aside, I should be able to write where I wish, correct? Thanks, Mike On Sep 23, 2006, at 7:43 AM, [EMAIL PROTECTED] wrote: From: Tom Atkinson [EMAIL PROTECTED] Date: September 23, 2006 7:42:32 AM EDT To: php-general@lists.php.net Subject: Re: [PHP] libcurl (cookies across cURL session). . .? Use cURL's own cookie handling features. curl_setopt($ch, CURLOPT_COOKIEJAR, '/tmp/cookies.txt'); curl_setopt($ch, CURLOPT_COOKIEFILE, '/tmp/cookies.txt'); That will store the cookies in the file and read them from there next time. /tmp may or may not be a suitable location.
[PHP] Object to array conversion oddity
A simple class like this:
class Myclass() {
public $field1 = '';
private $field2 = '';
public function __sleep() {
return array('field1', 'field2');
}
}
$myclass = new Myclass;
If I var_dump this, I get:
object(Myclass)#6 (2) {
[field1]=
string(0)
[field2:private]=
string(0)
}
If I coerce this to an array:
$arr = (array)$myclass;
the properties change names in a most unhelpful way:
array(2) {
[field1]=
string(0)
[Myclassfield2]=
string(0)
}
The docs (http://www.php.net/manual/en/language.types.array.php) say:
If you convert an object to an array, you get the properties (member
variables) of that object as the array's elements. The keys are the
member variable names.
It seems that's not quite true.
How can I stop it doing this? Looks a bit buggy to me.
Marcus
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Synchromedia Limited: Creators of http://www.smartmessages.net/
[EMAIL PROTECTED] | http://www.synchromedia.co.uk/
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Re: [PHP] Object to array conversion oddity
On Saturday 23 September 2006 09:40, Marcus Bointon wrote:
A simple class like this:
class Myclass() {
public $field1 = '';
private $field2 = '';
public function __sleep() {
return array('field1', 'field2');
}
}
$myclass = new Myclass;
If I var_dump this, I get:
object(Myclass)#6 (2) {
[field1]=
string(0)
[field2:private]=
string(0)
}
If I coerce this to an array:
$arr = (array)$myclass;
the properties change names in a most unhelpful way:
array(2) {
[field1]=
string(0)
[Myclassfield2]=
string(0)
}
The docs (http://www.php.net/manual/en/language.types.array.php) say:
If you convert an object to an array, you get the properties (member
variables) of that object as the array's elements. The keys are the
member variable names.
It seems that's not quite true.
How can I stop it doing this? Looks a bit buggy to me.
Marcus
--
Marcus Bointon
Synchromedia Limited: Creators of http://www.smartmessages.net/
[EMAIL PROTECTED] | http://www.synchromedia.co.uk/
To me it looks like they append the name of the class to any private
variables. I would guess that it does this to make sure you know what you're
doing and using the private variable like that. I'm just guessing at that
point though.
Try a test with multiple public and multiple private variables. If the format
of the array keys stays the same, then you should have your answer.
HTH
--
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Programmer/Systems Administrator
American Student Loan Services
www.americanstudentloan.com
1.800.575.1099
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Re: [PHP] File Upload Security and chmod
At 7:19 PM -0600 9/22/06, Andy Hultgren wrote: For whatever reason when I ftp in using WinFtp I don't see public_html (it's hidden, don't know why; if I make a directory called .public_html it gets created and then disappears), but I can see my file structure from my host's website and so I know that when I ftp in to myDomain.com this is what is there: index.htm page1.htm page2.htm .public_html/ images/ etc. etc. Andy: Sorry, I didn't catch all of the thread, but this is my drift. When you access your site (http://yourdomain.com) via a browser, do you see the above index.htm? If so, and you want to stay with that host, then leave the .public_html/ folder alone, and build your site using WinFTP, or whatever. If you want to change permissions for a file from within a php script, then ftp into your site (using ftp_login), change the parent folder permissions, do your file thing (upload, delete, save, etc.), and then change the parent folder permissions back and it's done. At least that's the way I do it working on a shared host and it works for me. tedd -- --- http://sperling.com http://ancientstones.com http://earthstones.com -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] Object to array conversion oddity
On 23 Sep 2006, at 15:51, Ray Hauge wrote: To me it looks like they append the name of the class to any private variables. I would guess that it does this to make sure you know what you're doing and using the private variable like that. I'm just guessing at that point though. Well, I realised that, but it's not very helpful as there's no separator between class name and variable name it's impossible to separate it correctly - if I had happened to have a property called 'myclassfield1', I would not be able to tell if the real property name was 'myclassfield1' or a private property called 'field1'. If it is going to stray from the documented behaviour, It would be far more useful to retain the names that the var_dump on the object uses - 'field1:private'. That's safe as : is not a value char in a variable name, but it's fine as an array index. Try a test with multiple public and multiple private variables. If the format of the array keys stays the same, then you should have your answer. In my real code I do have multiple fields all exhibiting this behaviour. I'll report it. Marcus -- Marcus Bointon Synchromedia Limited: Creators of http://www.smartmessages.net/ [EMAIL PROTECTED] | http://www.synchromedia.co.uk/ -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] Object to array conversion oddity
Here's a more accurate example:
?php
class Myclass {
public $field1 = '';
private $field2 = '';
protected $field3 = '';
}
$myclass = new Myclass;
var_dump($myclass);
var_dump((array)$myclass);
?
This produces:
object(Myclass)#1 (3) {
[field1]=
string(0)
[field2:private]=
string(0)
[field3:protected]=
string(0)
}
array(3) {
[field1]=
string(0)
[Myclassfield2]=
string(0)
[*field3]=
string(0)
}
So it seems protected fields behave differently too.
Marcus
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Re: [PHP] Object to array conversion oddity
On Saturday 23 September 2006 10:04, Marcus Bointon wrote: On 23 Sep 2006, at 15:51, Ray Hauge wrote: To me it looks like they append the name of the class to any private variables. I would guess that it does this to make sure you know what you're doing and using the private variable like that. I'm just guessing at that point though. Well, I realised that, but it's not very helpful as there's no separator between class name and variable name it's impossible to separate it correctly - if I had happened to have a property called 'myclassfield1', I would not be able to tell if the real property name was 'myclassfield1' or a private property called 'field1'. If it is going to stray from the documented behaviour, It would be far more useful to retain the names that the var_dump on the object uses - 'field1:private'. That's safe as : is not a value char in a variable name, but it's fine as an array index. Try a test with multiple public and multiple private variables. If the format of the array keys stays the same, then you should have your answer. In my real code I do have multiple fields all exhibiting this behaviour. I'll report it. Marcus -- Marcus Bointon Synchromedia Limited: Creators of http://www.smartmessages.net/ [EMAIL PROTECTED] | http://www.synchromedia.co.uk/ Could you do something like this? $private = Myclass $protected = *; // public variable echo $myclass[field1]; // private variable echo $myclass[$private.field2]; // protected variable echo $myclass[$protected.field3]; Unless, of course, this behavior is not consistent. If it is a bug, then you run the risk of it being fixed in the future. But if it is intended to be that way, then this format should work regardless of what the member variable names are. -- Ray Hauge Programmer/Systems Administrator American Student Loan Services www.americanstudentloan.com 1.800.575.1099 -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] Object to array conversion oddity
On 23 Sep 2006, at 16:37, Ray Hauge wrote: Could you do something like this? $private = Myclass $protected = *; No, because if I have a property called 'Myclassfield1', after casting to an array I can't tell if it's private property called 'field1' or a public property called 'Myclassfield1'. I think it's just plain wrong. Arrays should not try to be objects. You can find out protection level of a property via introspection of the object that you have in hand. In the vast majority of cases, you'll want it to act just like the docs say it does, and if you don't, you should probably be using the object itself anyway. Bug report is here: http://bugs.php.net/?id=38935 Marcus -- Marcus Bointon Synchromedia Limited: Creators of http://www.smartmessages.net/ [EMAIL PROTECTED] | http://www.synchromedia.co.uk/ -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] Object to array conversion oddity
On Sat, 2006-09-23 at 16:04 +0100, Marcus Bointon wrote:
On 23 Sep 2006, at 15:51, Ray Hauge wrote:
To me it looks like they append the name of the class to any private
variables. I would guess that it does this to make sure you know
what you're
doing and using the private variable like that. I'm just guessing
at that
point though.
Well, I realised that, but it's not very helpful as there's no
separator between class name and variable name it's impossible to
separate it correctly
?php
class MyClass()
{
public $field1 = '';
private $field2 = '';
public function __sleep()
{
return array('field1', 'field2');
}
}
$myClass = new Myclass;
$prefix = get_class( $myClass );
$prefixL = strlen( $prefix );
$myArray = (array)$myClass;
foreach( $myArray as $name = $value )
{
if( substr( $name, 0, 1 ) === '*' )
{
$foo = $myArray[$name];
unset( $myArray[$name] );
$myArray[substr( $name, 1 )] = $foo;
}
else
if( ereg( ^$prefix, '', $name ) )
{
$foo = $myArray[$name];
unset( $myArray[$name] );
$myArray[substr( $name, $prefixL )] = $foo;
}
}
?
- if I had happened to have a property called
'myclassfield1', I would not be able to tell if the real property
name was 'myclassfield1'
And the likelihood of you having a property called Myclassfield1 is?
Most developers start a class name with a capital, and a property name
with a lowercase. So the likelihood if you are adhering to convention is
slim to squat. That said, I think they should have put in a - or a :
character :)
or a private property called 'field1'. If it
is going to stray from the documented behaviour, It would be far more
useful to retain the names that the var_dump on the object uses -
'field1:private'. That's safe as : is not a value char in a variable
name, but it's fine as an array index.
Try a test with multiple public and multiple private variables. If
the format
of the array keys stays the same, then you should have your answer.
In my real code I do have multiple fields all exhibiting this
behaviour. I'll report it.
It sounds like they've helped out by giving more data than was
necessary. This can be useful when working with the data to know it's
origin.
Cheers,
Rob.
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Re: [PHP] Object to array conversion oddity
On Sat, 2006-09-23 at 11:46 -0400, Robert Cummings wrote:
On Sat, 2006-09-23 at 16:04 +0100, Marcus Bointon wrote:
On 23 Sep 2006, at 15:51, Ray Hauge wrote:
To me it looks like they append the name of the class to any private
variables. I would guess that it does this to make sure you know
what you're
doing and using the private variable like that. I'm just guessing
at that
point though.
Well, I realised that, but it's not very helpful as there's no
separator between class name and variable name it's impossible to
separate it correctly
?php
class MyClass()
{
public $field1 = '';
private $field2 = '';
public function __sleep()
{
return array('field1', 'field2');
}
}
$myClass = new Myclass;
$prefix = get_class( $myClass );
$prefixL = strlen( $prefix );
$myArray = (array)$myClass;
foreach( $myArray as $name = $value )
{
if( substr( $name, 0, 1 ) === '*' )
{
$foo = $myArray[$name];
unset( $myArray[$name] );
$myArray[substr( $name, 1 )] = $foo;
}
else
if( ereg( ^$prefix, '', $name ) )
That line should have been: if( ereg( ^$prefix, $name ) ). I was
originally doing a replace, but then I scrapped it :)
Cheers,
Rob.
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| also provides an extremely flexible architecture for |
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Re: [PHP] Object to array conversion oddity
On 23 Sep 2006, at 16:46, Robert Cummings wrote: And the likelihood of you having a property called Myclassfield1 is? Sure, but don't you think that coding should at least try to be driven by logic rather than luck? I'm also not denying that it's not too hard to work around (with a function not dissimilar to what you suggested), but I'd really prefer it if it just did what it says on the tin. By its very nature, casting from object to array indicates that you no longer want the constraints of property protection, which an array can't preserve anyway, and it's not as if there are not intentional, documented methods of obtaining this information. It sounds like they've helped out by giving more data than was necessary. ...and in doing so defaults to breaking code that expects it to behave like the documentation says it does? I don't think I'd classify that as helping out. Bear in mind that my code broke in exactly this way. If you want to find out what the access level of a property is, I doubt your first thought would be to convert it to an array - and I bet you didn't know that this info was even there because it's not documented, thus helping nobody. This is what introspection is for. I don't have a problem with being provided with extra information, just as long as it doesn't interfere with correct operation, which is what it currently does. It could provide the extra info in a marginally less destructive way, for example by adding 'private' and 'protected' array properties containing field names for each access level to the resulting array. OTOH, that would break what you'd expect count() to deliver after the conversion. I really think it should just do what's it's meant to, and no more. Marcus -- Marcus Bointon Synchromedia Limited: Creators of http://www.smartmessages.net/ [EMAIL PROTECTED] | http://www.synchromedia.co.uk/ -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] Object to array conversion oddity
On Saturday 23 September 2006 11:41, Marcus Bointon wrote: On 23 Sep 2006, at 16:46, Robert Cummings wrote: And the likelihood of you having a property called Myclassfield1 is? Sure, but don't you think that coding should at least try to be driven by logic rather than luck? I'm also not denying that it's not too hard to work around (with a function not dissimilar to what you suggested), but I'd really prefer it if it just did what it says on the tin. By its very nature, casting from object to array indicates that you no longer want the constraints of property protection, which an array can't preserve anyway, and it's not as if there are not intentional, documented methods of obtaining this information. It sounds like they've helped out by giving more data than was necessary. ...and in doing so defaults to breaking code that expects it to behave like the documentation says it does? I don't think I'd classify that as helping out. Bear in mind that my code broke in exactly this way. If you want to find out what the access level of a property is, I doubt your first thought would be to convert it to an array - and I bet you didn't know that this info was even there because it's not documented, thus helping nobody. This is what introspection is for. I don't have a problem with being provided with extra information, just as long as it doesn't interfere with correct operation, which is what it currently does. It could provide the extra info in a marginally less destructive way, for example by adding 'private' and 'protected' array properties containing field names for each access level to the resulting array. OTOH, that would break what you'd expect count() to deliver after the conversion. I really think it should just do what's it's meant to, and no more. Marcus You're right about the undocumented feature that you ran into. It did not behave the way the documentation pointed it out, and either the documentation or the behavior needs to be modified. I would guess that modification of the behavior might take a while to come out, unless you were going to patch your install, but even then it might be a while. So, to get around that you could create a function to convert the array to what you expected. Here's a possible declaration: function convertClassArray($array, $className) That function would then create a new array and change the keys as necessary, stripping off the class name from the private variables and stripping off the * from the protected ones, to give you what you expected. Not exactly what you're looking for, but it would probably help to keep the changes to your existing code down while you're waiting for a patch/documentation change. -- Ray Hauge Programmer/Systems Administrator American Student Loan Services www.americanstudentloan.com 1.800.575.1099 -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] Object to array conversion oddity
Marcus Bointon wrote:
Sure, but don't you think that coding should at least try to be driven
by logic rather than luck? I'm also not denying that it's not too hard
to work around (with a function not dissimilar to what you suggested),
but I'd really prefer it if it just did what it says on the tin. By
its very nature, casting from object to array indicates that you no
longer want the constraints of property protection, which an array
can't preserve anyway, and it's not as if there are not intentional,
documented methods of obtaining this information.
Along those lines, I think that logically, if you were to cast an Object
to an array, it should only export the public properties. Since the
private/protected properties aren't visible outside the class, it would
be safe to assume that they're not for public consumption. After all,
they're intended (by design of the class) only to be accessed via
functions defined in the class. I think PHP's behavior is a bit odd, but
still somewhat logical.
If you just want an array of properties, add this to your class.
public function getPropertyArray() {
$refClass = new ReflectionClass(__CLASS__);
$properties = $refClass-getProperties();
$propArray = Array();
foreach ($properties as $property) {
if (!$property-isStatic()) {
$name = $property-getName();
$propArray[$name] = $this-$name;
}
}
return($propArray);
}
And that'll do essentially what you're asking for. You could just call
it toArray() too, and even check for isPublic/isPrivate/isProtected for
some additional granularity.
jon
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Re: [PHP] php/css and .htaccess [SOLVED]
tedd wrote: At 10:37 AM -0500 9/21/06, David Giragosian wrote: On 9/21/06, tedd mailto:[EMAIL PROTECTED][EMAIL PROTECTED] wrote: -snip- Now, this header coupled with the above .htaccess allows php code to be embedded within a css file AND work for all popular browsers, including FireFox/Mozillia. -snip- tedd, So with this approach you're able to tailor css styles for specific browsers and their particular implementations of css, rather than employ hacks directly in the css?? David: Yes, plus much more. This is similar to getting php/html to play nice together. What I've discovered here (if no one has considered this before, which I would think is highly doubtful) is a way to embed php code within css (like html) to do anything you want. You see, my chief complaint with css over the years has been its lack of variables. Many in the css camp say that the lack of variables is a feature and not a drawback -- and I understand them not wanting the unclean masses to contaminate their pure language. But, not knowing any better, I've always wanted to use variables in css. A few years back, I published my limited version of how to use variables in css: http://www.sperling.com/examples/pcss/ But for most, it was too problematic to implement and had limited scope. However, what I've discovered here is that by adding the proper .htaccess file and the addition of a header in the css file, you can do anything you want from within a css file -- which includes adding variables, adding includes, performing computations, browser sniffing, and I think anything else you can do in php. The extent could be as unlimited as php/html -- I don't know the full extent. As far as I'm concerned, this is a significant discovery for me -- I'm always trying to get different languages to work together. However, to others, perhaps this technique has been obvious or too trivial to mention. I don't know, but I haven't found any references that address this technique. To the gang -- is this something new, or am I getting excited over nothing? In any event, I'll be adding how to do it to my web site so I can lead others astray. :-) Thanks. tedd -- --- http://sperling.com http://ancientstones.com http://earthstones.com -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php full ack, you only have to make sure that zlib.output_compression is off (at least in that folder), if you want IE6 users to be able to read the css content ! -- View this message in context: http://www.nabble.com/php-css-and-.htaccess-tf2308435.html#a6465094 Sent from the PHP - General mailing list archive at Nabble.com. -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] Object to array conversion oddity
On 23 Sep 2006, at 18:54, Jon Anderson wrote: If you just want an array of properties, add this to your class... That's exactly the kind of thing I was on about. Since reflection gives access to all this information, why bother trying to squeeze the same info into an array-shaped container that just can't hold all the same info without corrupting it? I can see that there might be some reason for converting the object with additional information in some circumstances (much like serialization to strings does), but here we're only talking about casting, which should be a 'best-fit' data matter. The behaviour we've got would be better served with a function like toArrayPreservingClassInfo() rather than the default casting behaviour. Since reporting the bug (which was immediately marked as bogus; go figure), I've had something else brought to my attention: The resulting array keys are not what they seem! Their actual structure is: NULLclassnameNULLpropertyname So, here we have undocumented behaviour justified by yet more undocumented behaviour! How behaviour so wildly different to what's documented is not considered a bug I don't know. At least this format can be dismantled reliably, rather than trying to string-match class names. I think trying to preserve this information (as you said) is entirely pointless - it's not as if you can cast back from an array to an object, and I can't think of any circumstances in which it is preferable to using reflection (unless it's a relic from PHP4?). What's next - appending a creation time to integers when they're cast into strings? Marcus -- Marcus Bointon Synchromedia Limited: Creators of http://www.smartmessages.net/ [EMAIL PROTECTED] | http://www.synchromedia.co.uk/ -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] Object to array conversion oddity
I've written a function that does a conversion that matches the docs,
based on the other info I've mentioned:
/**
* Clean up the name munging that PHP applies while casting from
object to array
* The resulting array looks like what the documentation says that
(array)$object delivers, but actually doesn't
* @param object $object The object to convert
* @return array
*/
function object2array($object) {
$class = get_class($object);
$array = (array)$object;
$propArray = array();
$matches = array();
foreach ($array as $key = $value) {
if (preg_match('/^\0(([a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*)\0
([a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*)$/', $key, $matches)) {
//It's a private property
if ($matches[1] == $class) { //Ignore private props of
superclasses
$propArray[$matches[2]] = $value;
}
} elseif (preg_match('/^\0(\*)\0([a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-
\xff]*)$/', $key, $matches)) {
//It's a protected property
$propArray[$matches[2]] = $value;
} else {
//It's a public property
$propArray[$key] = $value;
}
}
return $propArray;
}
Works nicely for me.
Marcus
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Re[2]: [PHP] symlink
Hi, Saturday, September 23, 2006, 10:37:20 AM, you wrote: RL On Mon, September 18, 2006 4:53 pm, Ross wrote: Can someone explain how and why you would use a symlink in php? RL A symlink is the Un*x version of a Windows shortcut or the Mac's RL alias RL The difference being that a symlink actually *works* and a Windows RL shortcut is useless for anything except their crappy desktop app... in windows 2k and xp you can use fsutil to create hard links in the same NTFS volume. Usage : fsutil hardlink create new filename existing filename fsutil hardlink create c:\foo.txt c:\bar.txt But it probably has a few bugs of its own :) and it can't do your edit trick as it only works on files not directories as far as I can tell. -- regards, Tom -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] Object to array conversion oddity
On Sat, 2006-09-23 at 17:41 +0100, Marcus Bointon wrote: On 23 Sep 2006, at 16:46, Robert Cummings wrote: And the likelihood of you having a property called Myclassfield1 is? Sure, but don't you think that coding should at least try to be driven by logic rather than luck? I'm also not denying that it's not too hard to work around (with a function not dissimilar to what you suggested), but I'd really prefer it if it just did what it says on the tin. By its very nature, casting from object to array indicates that you no longer want the constraints of property protection, which an array can't preserve anyway, and it's not as if there are not intentional, documented methods of obtaining this information. It sounds like they've helped out by giving more data than was necessary. ...and in doing so defaults to breaking code that expects it to behave like the documentation says it does? I don't think I'd classify that as helping out. Bear in mind that my code broke in exactly this way. If you want to find out what the access level of a property is, I doubt your first thought would be to convert it to an array - and I bet you didn't know that this info was even there because it's not documented, thus helping nobody. This is what introspection is for. I don't have a problem with being provided with extra information, just as long as it doesn't interfere with correct operation, which is what it currently does. It could provide the extra info in a marginally less destructive way, for example by adding 'private' and 'protected' array properties containing field names for each access level to the resulting array. OTOH, that would break what you'd expect count() to deliver after the conversion. I really think it should just do what's it's meant to, and no more. Blah, blah, blah. The documentation is probably out of date and applied to PHP4. Feel free to get off your arse and volunteer if you don't like it :) You don't get have your cake and eat it *PTHTHTHTHTTHTHTH* Cheers, Rob. -- .. | InterJinn Application Framework - http://www.interjinn.com | :: | An application and templating framework for PHP. Boasting | | a powerful, scalable system for accessing system services | | such as forms, properties, sessions, and caches. InterJinn | | also provides an extremely flexible architecture for | | creating re-usable components quickly and easily. | `' -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] Object to array conversion oddity
On Sat, 2006-09-23 at 22:35 +0100, Marcus Bointon wrote:
I've written a function that does a conversion that matches the docs,
based on the other info I've mentioned:
/**
* Clean up the name munging that PHP applies while casting from
object to array
* The resulting array looks like what the documentation says that
(array)$object delivers, but actually doesn't
* @param object $object The object to convert
* @return array
*/
function object2array($object) {
$class = get_class($object);
$array = (array)$object;
$propArray = array();
$matches = array();
foreach ($array as $key = $value) {
if
(preg_match('/^\0(([a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*)\0
([a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*)$/', $key, $matches)) {
//It's a private property
if ($matches[1] == $class) { //Ignore private props of
superclasses
$propArray[$matches[2]] = $value;
}
} elseif
(preg_match('/^\0(\*)\0([a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-
\xff]*)$/', $key, $matches)) {
//It's a protected property
$propArray[$matches[2]] = $value;
} else {
//It's a public property
$propArray[$key] = $value;
}
}
return $propArray;
}
Works nicely for me.
It's broken, it doesn't preserve references.
Cheers,
Rob.
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[PHP] Re: php/css and .htaccess [SOLVED]
On Sat, September 23, 2006 10:06 am, tedd wrote: I am sure that with a little browser sniffing via php and taking Browser-sniffing is the unreliable part. compliant (hack-less) code, one could get the code to adapt to the browser. In other words, this would present an option for all css coders to ignore all hacks. Just add a couple of lines to their css code (i.e., header) and change their .htacess file-- and after that, they would just write compliant code and the php would make the changes to match the browser -- why hasn't that been done? It's not simple, but it certainly is not impossible. I generally just don't do the CSS hacks. -- If I have to hack the CSS, then that defeats the purpose of using CSS. Change the design to avoid the hack. :-; That said, sure, it would be a fine thing to have browser-specific CSS spit out by PHP in your CSS, if you have somebody competent enough to do the CSS and not screw up the PHP... Rather defeats the purpose of separation of Church and State, but there ya go... -- Like Music? http://l-i-e.com/artists.htm -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] reading urlencoded data from POST
$_POST is useful for FORM data -- it urldecodes the data, and assumes it's something somebody would actually type into a FORM. This would be what 99.9% of websites need and want. $HTTP_RAW_POST_DATA gives you ALL the raw encoded data to parse as you see fit. This covers the rest of the needs. If you need something even more arcane than either of those, run your own service on your own socket. On Sat, September 23, 2006 3:35 am, Marek 'MMx' Ludha wrote: Accessing $HTTP_RAW_POST_DATA is similar to reading php://input which I mentioned in my previous email. I am not quite sure what is $_POST useful for. It is intended for reading urlencoded data which it does only in special cases (no \0 or \5C chars) and everyone has to parse it himself. Did I miss something? -- Marek 'MMx' Ludha On 9/23/06, Richard Lynch [EMAIL PROTECTED] wrote: Search php.net for RAW_HTTP_POST or somesuch. It's there for ya. -- Like Music? http://l-i-e.com/artists.htm -- Like Music? http://l-i-e.com/artists.htm -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
