[PHP] Cache-Control: no-cache and browser back button problem
why does the cache control header generated by php (under session_cache_limiter = nocache) needs to have no-store? It makes pressing Back in the browser requests a new version of the page (which is unwanted in some situations, e.g. while filling form and needs to edit a few fields before re-submitting). Also, when I am editing the script and had a fatal error (like a PHP syntax error), the stored version of the page by the browser is always the one with a fatal error, and I need to always refresh to get the current version (I am using a 'Never check for newer versions of pages' in my browser, which is fine for most circumstances). Can I remove the 'no-store' parameter from the generated Cache-Control header, without resorting to session_cache_limiter = private (since this also have some Refresh problems in IE)? -- sh -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
[PHP] POST data is lost on PHP CGI after shmat() failed. [4.0.5, Linux]
I have two CGI PHP installation on my Linux system. One of them is
a vanilla build (all defaults except --prefix and
--with-config-file-path, and the other is built with the .spec file
from rpms.arvin.dk).
POST method does not work with the arvin PHP CGI binary, while it
works ok with the vanilla one and with other non-PHP CGI scripts.
After spending a full day focusing on environment variables and
Apache configuration (which is a custom one), I run strace on a
simple script using the arvin PHP. Here's the partial output:
...
shmget(IPC_PRIVATE, 33554432, IPC_CREAT|0x180|0600) = 5079044
shmat(5079044, 0, 0)= -1 ENOMEM (Cannot allocate memory)
shmctl(5079044, IPC_RMID, 0)= 0
close(0)= 0
unlink(/tmp/session_mm.sem) = -1 ENOENT (No such file or directory)
brk(0x8155000) = 0x8155000
brk(0x8156000) = 0x8156000
open(./php.ini, O_RDONLY) = -1 ENOENT (No such file or directory)
open(/etc/php.ini, O_RDONLY) = 0
getcwd(/path/to/script, 4095) = 46
lstat(/etc, {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
lstat(/etc/php.ini, {st_mode=S_IFREG|0644, st_size=20430, ...}) = 0
brk(0x815b000) = 0x815b000
ioctl(0, TCGETS, 0xb828)= -1 ENOTTY
(Inappropriate ioctl for device)
read(0, [PHP]\n\n;;;\n; Abo..., 8192) = 8192
read(0, \t; C, E S respectively, often ..., 8192) = 8192
brk(0x815c000) = 0x815c000
read(0, t_password\t\t=\t\t; default passwor..., 8192) = 4046
read(0, , 4146) = 0
...
I am not sure what line of code does the close(0) on the fourth line
shown above, though it has something to do with the MM library, since
after I rebuild PHP --without-mm, all is well.
Could someone shed a light on this?
Regards,
Steve
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Re: [PHP] php not run as cgi.
On 01/07/2001 02:49, Jack wrote: hi everyone, Does anyone know the best way to secure php source code so it is not group/world readable? I can read other users' php source code by writing a simple php script. I do not prefer to run php as cgi because all user's php file need to add the header #/usr/bin/php again. there are two patches that i know, one for suexec and one for cgiwrap, that allows you to run php scripts as cgi without having to chmod 755 or add a shebang line. i have used them both (well, i wrote the first one, but now i use the cgiwrap one) and it seems to be running okay. no guarantees though. for suexec: http://groups.yahoo.com/group/diskusihosting/files/Steven/apache_1.3.19-phpcgi-noshebang-suexec_only.patch for cgiwrap: http://w3.man.torun.pl/~makler/patches/cgiwrap/ -- sh -- PHP General Mailing List (http://www.php.net/) To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] To contact the list administrators, e-mail: [EMAIL PROTECTED]
Re: [PHP] ok, are servlets/jsp faster than php4?
yes, i have discovered recently that php is not as fast as it is hyped to be. don't get me wrong. php is fast, but it depends on how you arrange your scripts. if you include a lot of library code (PEAR, etc etc), the overhead would increase and increase. i thought php has always cached compiled scripts (since it is fast enough for me so far), but the fact is it does not. without cacher like apc or zend cache, mod_php is no better than cgi, except it avoids per-request forking and configuration parsing. why oh why doesn't php/plain zend cache scripts in the first place? :-/ Regards, Steve On 20/05/2001 20:53, Christopher Leigh wrote: ok, are servlets/jsp faster than php4? since zend cache isn't free... :( -- PHP General Mailing List (http://www.php.net/) To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] To contact the list administrators, e-mail: [EMAIL PROTECTED]
[PHP] hosting closed web application for multiple users
I have a requirement like this: - the php script should be runnable by httpd user only. - the php script will include other files. - the php script should run as the user. - the user must not be able to access the source code of the scripts. What I can think of so far: Put the script in a directory only accessible by the httpd user (www), e.g.: # mkdir -p /home/app # cp script.php /home/app # chown root.www /home/app # chmod 550 /home/app # chown root.root /home/app/script.php # chmod 555 /home/app/script.php So script.php is safe from the user (except when somehow the user manages to get its current directory changed to /home/app, where then she can take script.php easily). To prevent the user getting her hands to the script.php via www user, I set the Apache configuration: Options SymLinksIfOwnerMatch to prevent the user linking to /home/app or /home/app/script.php (unless the user can trick www or some other privileged user to create the link for her). and makes sure that Apache only runs wrapped CGI scripts, and php runs as a cgi binary and not server module. Now I just need to make sure that: 1) user cannot trick script.php to read and display itself out to the browser, or copy itself to some public directory. 2) user cannot trick other root processes to read script.php for her. Is there a better alternative? Regards, Steve -- PHP General Mailing List (http://www.php.net/) To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] To contact the list administrators, e-mail: [EMAIL PROTECTED]
RE: [PHP] hosting closed web application for multiple users
Actually, We _are_ considering of buying Zend Encoder, but in the middle of thinking for alternatives... :-) However, sometimes vendors do not want user to have access to the _binary also_ (and then run it somewhere else), so that needs some extra protection other than the Encoder too. Regards, Steve At 19/05/2001 21:47, Craig Vincent wrote: snip 2) user cannot trick other root processes to read script.php for her. Is there a better alternative? /snip Depending on your budget yes there is. Zend has a PHP encoding utility which performs two functions, first off since it needs to run through their optimizer your PHP scripts will tend to run faster (at the expense of a bit more memory consumption) and also you don't need to worry about preventing the source code from being read as the php scripts are converted into a binary executable. License to use these programs are I believe around $600 per year but offer a wide range of additional features but I would consider it well worth it to a company rather than spending countless tech hours and security testing to prevent the source from being viewed. http://www.zend.com Sincerely, Craig Vincent -- PHP General Mailing List (http://www.php.net/) To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] To contact the list administrators, e-mail: [EMAIL PROTECTED]
RE: [PHP] hosting closed web application for multiple users
btw, have people tried apc 1.0.9 with php-4.0.5? apc runs fine for some of my scripts (though performance improvement is not great at all, or am i doing something wrong). but for some of my more complex scripts, it crashes the httpd binary with segfaults. btw, can you just take the compiled cache file and distribute it? does the file need to be run with apc also? or can the plain zend engine handle it? steve At 19/05/2001 22:45, Matthias Winkelmann wrote: -Original Message- From: Steven Haryanto [mailto:[EMAIL PROTECTED]] I have a requirement like this: - the php script should be runnable by httpd user only. - the php script will include other files. - the php script should run as the user. - the user must not be able to access the source code of the scripts. Take a look at apc (apc.communityconnect.com), it is primarily a cache, which will boost your performace, but also allows you to take the cached compiled files from the file system and distribute them. -- PHP General Mailing List (http://www.php.net/) To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] To contact the list administrators, e-mail: [EMAIL PROTECTED]
Re: [PHP] is mod_php4 faster than mod_perl?
apples oranges. :) but mod_php without cache (e.g., zend cache) still suffers from an overhead of recompiling scripts in every request (serious overhead if the site is complex). -- sh On 19/07/2001 11:03, Christopher Leigh wrote: i'm wondering if mod_php4 is faster than mod_perl. thank you, -- PHP General Mailing List (http://www.php.net/) To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] To contact the list administrators, e-mail: [EMAIL PROTECTED]
[PHP] class (not class instance) variables
Am I correct that PHP does not support class variables? That is, variables that belong to a class and not copied into every object. I need to put several arrays for information about a class, and I do not want to bloat every object with this data (since potentially I will create many instances of the class). Currently I do this with methods. Any other alternative? -- sh -- PHP General Mailing List (http://www.php.net/) To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] To contact the list administrators, e-mail: [EMAIL PROTECTED]
Re: [PHP] Please review our coding standards
At 5/2/2001 12:46 PM, Anuradha Ratnaweera wrote: Most of your guidelines match with our practices. Here are some comments. Thanks for the comments. 1.4 Whitespaces - No whitespace after function or method name. Example: exit() We also use this. But I have seen others using spaces. Even there are some examples in php-manual with spaces (e.g. array_shift). Actually I took most of the points in the 'Whitespaces' section from Guido's Python Style Guide. Most of the points are not really a big deal, but I usually suggest at least making a distinction between () for functions and () for statements. for (;;) if (..) exit(); die(); 1.6 Quotes Use whichever ones you like. But if you can use '' for simple strings, and only if you need interpolation. This should _very_slightly_ improve performance too. Yup, though I have never thought of benchmarking this :) 4. File organization We use WML (website meta language - www.engelschall.com/sw/wml/) with make to produce single php files and do _not_ use the include feature of php. Also, we have written scripts that creates diff files between releases. Interesting. How do you find WML so far? I evaluated WML once in the past, but it seemed too complex to me then... 6. Creating documentation We use tex, and we are planning to go for texinfo. Do you also embed these in the PHP scripts? I prefer this way (like Perl's POD, Java's Javadoc, Python's docstrings), because it is much easier to synchronize with the code. Also, since I often write the documentation first and then write some code, I prefer putting them together. Steve -- PHP General Mailing List (http://www.php.net/) To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] To contact the list administrators, e-mail: [EMAIL PROTECTED]
RE: [PHP] template solutions?
Cool. I didn't know that.
Does FastTemplate support nested loop and ifs?
Steve
At 5/1/2001 10:33 PM, Henning Kilset Pedersen wrote:
Fasttemplate supports loops and if's.
You set a dynamic block like so:
!-- BEGIN DYNAMIC BLOCK : rowset --
TR
{ROWCONTENT}
/TR
!-- END DYNAMIC BLOCK : rowset --
And then in the PHP code that parses this html template (.tpl, for example)
file, you do a $tpl-assign (.ROWCONTENT, rowdata);
and loop over that. the .ROWCONTENT means that you're ADDING data to a
variable that already exists. Replace rowdata with the data for the row in
question.
Isn't this what you want??
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Re: [PHP] template solutions?
At 5/1/2001 06:49 PM, Michael Kimsal wrote: The 'security' angle is the only one I consider terribly valid, an was what I had in mind when I said I can't think of too many reasons why a packaged' template' solution is in order. Obviously it is for you. I still believe that in most cases it doesn't make much sense to use one, for most people, because it's limiting you to a subset of a powerful language, and the implementation can be slower. Smarty is on the right track by compiling the templates to PHP and cacheing them. What I'd *love* to see is a template system which is portable between various platforms (JSP, CF, PHP, Perl, VBScript). That would, imo, make it worhtwhile for people to learn *one* templating system that would be cross-platform. That is where a template system like HTML::Template excels, actually. It is very simple to implement it in Perl, PHP, Tcl, etc etc. Steve -- PHP General Mailing List (http://www.php.net/) To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] To contact the list administrators, e-mail: [EMAIL PROTECTED]
Re: [PHP] template solutions?
Actually, not using a programming language is the point of template, since I do not want to expose anything other than some template 'variables' to the template. Steve At 5/1/2001 12:36 AM, Michael Kimsal wrote: Why not just use PHP in the template? That's kinda what it was made for. On Sun, 29 Apr 2001, Steven Haryanto wrote: Does anyone know a rather advanced template solution in PHP? At least one that supports loop and if (like HTML::Template), and directives/commands would be nice (like Perl's Template Toolkit). I am currently rolling my own, but still not happy with the result of the design. I'd be happy to use one that is already out there. Steve -- PHP General Mailing List (http://www.php.net/) To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] To contact the list administrators, e-mail: [EMAIL PROTECTED]
Re: [PHP] template solutions?
See the philosophy behind HTML::Template for explanation on this: http://www.perlmonth.com/features/template/template.html?issue=11 Not everything with loops and IFs is a programming language. I would probably call PDF or RTF a programming language too if it were. Steve At 5/1/2001 01:10 AM, Michael Kimsal wrote: No, you're asking for something with loops and IFs. That's a programming language. On Tue, 1 May 2001, Steven Haryanto wrote: Actually, not using a programming language is the point of template, since I do not want to expose anything other than some template 'variables' to the template. -- PHP General Mailing List (http://www.php.net/) To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] To contact the list administrators, e-mail: [EMAIL PROTECTED]
Re: [PHP] template solutions?
At 5/1/2001 01:43 AM, Michael Kimsal wrote: I understand completely what you're getting at already, but PHP is designed to do what you're asking to do. I know there are valid reaons for stripped down implementations, but can't think of too many. Clean separation of content and presentation? That is one strong point (for some people anyway). Ease of use? I want to let *other people* customize the web page to some extent, but surely do not want to require them to learn PHP. Security? I do not want other people to have access to the PHP runtime (where they can do nasty things like stealing my database password, etc). PHP currently does not support any restricted execution of user code whatsoever. For some applications, sometime I don't even want people to *know* that I am using PHP. And actually, I would consider RTF or PDF to be languages unto themselves. There's a full syntax to use to get specific results, and if you're throwing conditionals in there, or variables, it's hard to see how it's not a language. Maybe not full-featured, but a language nonetheless. I agree. But you said earlier, programming language. Programming languages are used to create *programs*. These perhaps can be loosely called document languages. -- sh -- PHP General Mailing List (http://www.php.net/) To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] To contact the list administrators, e-mail: [EMAIL PROTECTED]
Re: [PHP] template solutions?
At 5/1/2001 01:43 AM, Fabian Raygosa wrote: Maybe this is what you are looking for http://www.thewebmasters.net/php/FastTemplate.phtml Nope. I was looking for a template that supports loops and IFs. Someone pointed me to php dreamtime: http://www.phptemplates.org/ which is a cool project, by the way. Btw, I think I might need some extra tags to my template language so I'm going to hack this on by myself at the time being. Thanks, Steve -- PHP General Mailing List (http://www.php.net/) To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] To contact the list administrators, e-mail: [EMAIL PROTECTED]
Re: [PHP] template solutions?
I was not referring to safe mode.
In other languages like Perl or Python, safe execution means
that if I execute some code (or eval a code string supplied by
user), I can restrict what kinds of operation is valid for it,
or what kinds of variables are available to it.
In PHP, if I have my database password in a global var $dbpass,
I cannot prevent this code:
eval('echo $dbpass');
from printing my database password. Well of course you could do
unset($dbpass) or even unset($GLOBALS) or save it to somewhere
else... But still I cannot even prevent things like this:
eval('echo 1/0');
from stopping my own program because it generates an error that
I cannot trap. Well, actually there is error handlers...
Perhaps you can get your way around to make eval() more secure,
but still I prefer not to trust a code string from user to be
eval()'ed by my PHP script. Just letting a user modify a template
and changing the look of a page is sufficient for me, since that
is all the user is supposed to gain access to.
Regards,
Steve
At 5/1/2001 02:23 AM, Dave Goodrich wrote:
On Monday, April 30, 2001, at 12:02 PM, Steven Haryanto wrote:
Security? I do not want other people to have access to the PHP runtime
(where they can do nasty things like stealing my database password,
etc). PHP currently does not support any restricted execution of user
code whatsoever.
in httpd.conf
VirtualHost 192.168.3.8
DocumentRoot /usr/local/www/thisUser
ServerName thisUser.myServer.com
php_value include_path /usr/local/www/thisUser/inc
php_value open_basedir /usr/local/www/thisUser
/VirtualHost
You could do a lot to control your users abilities/privleges in this way.
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Re: [PHP] template solutions?
At 5/1/2001 03:05 AM, Dave Goodrich wrote:
In PHP, if I have my database password in a global var $dbpass,
I cannot prevent this code:
eval('echo $dbpass');
Never put your DBPass into a GLOBAL ;^)
Hm, perhaps creating a function do_connect('hostname','user','pass')
is safer? Good idea.
Agreed, it's not worth your time and hassle to try and predict
every possible circumstance a user might try.
Have you thought about some SSI and a few Javascripts?
depending on what you mean by changing the look of a page it might be easier.
Mm. I still prefer a template, thank you :)
A stupid question but I gotta ask, have you looked through
freshmeat? lots of stuff like this done in Perl, Python, PHP.
Yes, I have done a search on freshmeat and sourceforge for
php templates. Btw, there are eazytemplates and php
dreamtime that I've been told that supports ifs and loops.
That's nice. Thanks to everybody who responded.
Steve
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[PHP] template solutions?
Does anyone know a rather advanced template solution in PHP? At least one that supports loop and if (like HTML::Template), and directives/commands would be nice (like Perl's Template Toolkit). I am currently rolling my own, but still not happy with the result of the design. I'd be happy to use one that is already out there. Steve -- PHP General Mailing List (http://www.php.net/) To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] To contact the list administrators, e-mail: [EMAIL PROTECTED]
Re: [PHP] MySQL capabilities
This is perhaps more suited on mysql mailing list, but anyway... On 4/29/2001 06:18 PM, José León Serna wrote: Hello: Since no one asks my question about access to InterBase from PHP, I'm considering MySQL ;-) I would like to know more about the reliability and functionality from PHP users, I'm going to make searchs on a database with big text in Blob fields. Right now, in my web (it's made in Delphi) I'm using the Rubicon product to make searchs on a database and it works really fast, my questions are: Can I use MySQL to search for a substring in a Memo Field? yes. mysql 3.23.25 even supports full text searching. search for FULLTEXT in mysql manual. Can I tell MySQL to only returns me a subset of results, I mean only 10 results? yes, this is one of the conveniences of MySQL, thanks to its LIMIT clause. How fast is MySQL? relatively very fast, since it supports only a subset of SQL standards. I have a database with 11000 records (not too many) but with a big Memo Field and I want to search for words to show the results that match the users query. use FULLTEXT indexing. before MySQL has this, I wrote KwIndex. You might find it useful: http://steven.haryan.to/php/KwIndex.html There's also various full text indexing package you can use: htdig, glimpse, etc. Most of them work best with content in filesystem though. Steve -- PHP General Mailing List (http://www.php.net/) To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] To contact the list administrators, e-mail: [EMAIL PROTECTED]
Re: [PHP] Where is php.ini located by default?
btw, i found that the configure option: --with-config-file-path=PATH is slightly misleading, as PATH to usually refers to a file location. moreoever, php does not report if it fails to read a php.ini. perhaps the text should be rewritten as: --with-config-file-path=DIR Steve At 4/28/2001 11:37 AM, Martin =?ISO-8859-4?Q?Skj=F6ldebrand?= wrote: I've built php from a tarball. Now I need to specify a special include path in the php.ini file. But I can't find it. There is a php.in-dist in the build catalog but I can't find a production php.ini anywhere. The docs says that it should be in the install catalogue (which is where?, /usr/local/lib/php doesn't have one) or the cwd. I've tried editing the sample file and putting it in either place but my app still gives me the following error: Failed opening required 'class.DBI' (include_path='.:/usr/local/lib/php') in FILENAME Martin S. -- PHP General Mailing List (http://www.php.net/) To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] To contact the list administrators, e-mail: [EMAIL PROTECTED]
[PHP] Please review our coding standards
is familiar to this idiom. It is simple, and
simplicity matters because we will do a bunch of these.
So what we do is store the PEAR_Error object in the object attribute
(recommended name is $error). And we can also use raiseError() directly
if you think the error should potentially stop execution if needed (if
you want to use this style, your class must be a descendant of PEAR).
function yourMethod($foo) {
if ($bar) {
# an error condition...
$this-error = $this-raiseError($msg);
return; // return false
}
return 1; // return success
}
if ($obj-yourMethod($foo)) {
# react accordingly. PEAR_Error is available in $obj-error;
}
This is like the C errno() style but specific per object. Multithreading
is not relevant in the current PHP program so this is not a problem.
In classes that do not subclass PEAR, or in normal functions, you can
use the 'new PEAR_Error()' style.
Let's hope that PHP will soon support exceptions, so handling errors
will become easier.
9. Portability
--
9.1 Always use ?php ?.
9.2 Try to make your library code work with or without register_globals
turned on. Better still, do not use globals at all in the library code.
9.3 magic quotes. This one is a pain to work with portably, since we do not
know whether an argument comes from an external source, or from
GET/POST/Cookie parameter, or neither. Therefore, all library codes
should probably assume magic_quotes_gpc is off, so it does not bother
with stripslashing.
10. References
--
- PHP coding standards
- PEAR documentation
- PEAR coding standards
- phpunit documentation
12. Comments, suggestions?
--
If you do not understand some part, have objection to a certain rule, or
have an idea to improving style, please discuss it with me.
Apr 19, 2001
Steven Haryanto
[EMAIL PROTECTED]
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Re: [PHP] What's wrong with Apache + php + mysql on Windows?
Are you referring to delay in executing PHP scripts? If you run PHP as a CGI binary, that would give significant slowdown. CGI's are much slower in Windows than in Linux. Or perhaps you are running out of RAM? That really slows the whole thing down. Steve At 4/27/2001 06:14 AM, Mig wrote: Hello, I can't understand the reason apache server running locally on my Win98 machine delays so much to respond browser when accesing php scripts in the form http://localhost/myscript.php When I transfer php scripts to host server via FTP, script execution is immediate, even remote server being in another continent. I was running apache + php + mysql on Win95 and delay was terrible. Now I moved to Win98 and delay became still worse. I know some parameter in httpd.conf or php.ini should be changed, but how to kwow which parameter?. Thanks for any idea. Mig -- PHP General Mailing List (http://www.php.net/) To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] To contact the list administrators, e-mail: [EMAIL PROTECTED]
Re: [PHP] Sorry, wrong sebject :)
At 4/27/2001 07:35 PM, Manesh wrote: I need a free web server that gives me 1 Myslq accound and php hoasting! if soneone know of any please tell me. thx search php knowlegde base at www.faqts.com, you'll find a bunch of such links there. -- sh -- PHP General Mailing List (http://www.php.net/) To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] To contact the list administrators, e-mail: [EMAIL PROTECTED]
Re: [PHP] Globalness of variables? Functions subs
At 4/25/2001 08:11 AM, Dexter wrote: I see functions , are there subroutine calls. I guess not. A function acts as a sub when it returns no value . A sub that returns a value is a function. You probably came from Pascal or something similar, which formally separate 'function' from 'procedure'. They are exactly the same (i.e., subroutines: some piece of code you call and will eventually return to you, hence the word 'sub'.) Steve -- PHP General Mailing List (http://www.php.net/) To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] To contact the list administrators, e-mail: [EMAIL PROTECTED]
RE: [PHP] translating a function from Perl to PHP
At 4/26/2001 05:33 AM, ..s.c.o.t.t.. [gts] wrote:
i tried to do it myself and nearly fell off
my chair becuase PHP makes you jump through
hoops to do such a simple thing
print preg_replace('/%([a-zA-Z]*)%/e', \$mioArray['$1'], $testo);
i never could understand why other languages
made regular expressions so convoluted.
why not just support the =~ binding operator
instead of that awful function syntax...?
Perhaps this is in every Perl programmer's dream. :-) But perhaps
not every language has the luxury/willingness to include regular
expressions in the core language, since they think *that* is
convoluted.
Steve
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Re: [PHP] OOP and Future of PHP
At 4/26/2001 12:10 PM, Yasuo Ohgaki wrote:
What I *really* like to see in PHP is:
- NAMESPACE
- TRACEBACK INFO
- exception (try-except block)
- $obj-method()-anotherMethod()
- real destructor would be nice, but not extremely important for
the time being, due to the nature of PHP usage in Web pages
I agree, but
$obj-method()-anotherMethod()
works for me. What does not work to be specific?
Hm, I'm using 4.0.4pl1. Perhaps this has been added somewhere in
the 4.0.5RC series? Sorry, haven't got the chance of trying that
(apart from using the PEAR from 4.0.5RC2).
===
class C1 {
function f() { return $this; }
function g() { echo Hi!; }
}
$C=new C;
$C-f()-g();
===
does not work me here.
I don't use GDB, but it seems it supports traceback.
How about Zend Debugger? Does it support? Anyone?
Yes, I've heard that it supports traceback. I guess this means I
have to use a source-level debugger for now. Lacking a stack trace
leads to a rather cumbersome error reporting, since I have to
supply __LINE__, __FILE__, and the name of the function in every
call to the error function.
Regards,
Steve
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[PHP] Some questions on PHPUnit
Does anyone here use PHPUnit? 1. If a test script needs some external input to do testing (notably, database connect info), is it a good idea to present an HTML form to ask input from user? Or should it also be able to prompt the user for these in case the test script is run by the PHP binary. 2. I also use Python pyunit. Python has this idiom: if __name__=='__main__': # run the test This is to detect whether the script is executed as the main module (and not being imported by some other module). Is there a similar way to be able to do this in PHP? I need to know whether the PHP file is called directly by the browser/PHP binary and not include()'d/require()'d by other file. In the case of require_once() and include_once() I guess I can use get_required_files()/get_included_files(). Thanks, Steve -- PHP General Mailing List (http://www.php.net/) To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] To contact the list administrators, e-mail: [EMAIL PROTECTED]
[PHP] safe uploading with PHP
I am sorry if this is one of the FAQ. Last time I checked (well, a few months ago), PHP has the vulnerability that the user who submitted the form can manipulate the global namespace to let PHP pick up arbitrary file in the system. Can we now do safe file uploading without turning off register_globals? Thanks, Steve -- PHP General Mailing List (http://www.php.net/) To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] To contact the list administrators, e-mail: [EMAIL PROTECTED]
Re: [PHP] maximum length of email address
At 4/26/2001 01:08 AM, Dennis Gearon wrote: I've gone through the archives and through a bunch of RFC's, but have had no luck in finding maximum length for email addresses. Anybody know if there is one and what it is? Perhaps it's one of those undefined values (like the maximum length of an URL)? The username part is system-dependant, for example... Steve -- PHP General Mailing List (http://www.php.net/) To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] To contact the list administrators, e-mail: [EMAIL PROTECTED]
Re: [PHP] OOP and Future of PHP
At 4/25/2001 09:02 PM, Reuben D Budiardja wrote: The only thing that I feel lack of in PHP is the real Object Oriented stuff, such as information hiding in the object in classes i.e. private and public variables, methods/functions. This in a sene make it really difficult for developer to build an API for other developers that is secure. I myself have this problem. Is there any reasons why PHP was designed like this from the beginning? Is this issue going to be addresses somehow in the future? Anyone has any idea? If anyone has any idea, or tricks to hide information in a variables or method in a class, or in other words, make a variable or method a private, I would really like to know. Thanks for any comments. Python also does not do information hiding, but people rarely call Python's OO features as not real. :-) It's a matter of choice, though, I don't see any real hindrance of PHP implementing this in the future version. As Rasmus said, PHP does not have introspection (once again, unlike Python which is very introspective), this is less of a problem, especially with function calls API. What I *really* like to see in PHP is: - NAMESPACE - TRACEBACK INFO - exception (try-except block) - $obj-method()-anotherMethod() - real destructor would be nice, but not extremely important for the time being, due to the nature of PHP usage in Web pages Please tell me it's on the top'ish of the TODO list :-) Steve -- PHP General Mailing List (http://www.php.net/) To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] To contact the list administrators, e-mail: [EMAIL PROTECTED]
