Question

php $_POST and $_GET not working on Apache Webserver:(

Asked by: pjedmond

I have

[me@p15162804 me]# rpm -q php
php-4.3.10-2.4
[me@p15162804 me]# rpm -q httpd
httpd-2.0.51-2.9

Installed on a Fedora Red hat system. This is a default install from OneandOne.co.uk, with Plesk Control Panel

I am trying to post (or get) information to another form:

------------------------8X---------form.html------------------

<html>
<body>

<form action="test.php" method="post">
<input type="text" name="name" value="">
<input type="submit" name="submit" value="submit">
</form>

</body>
</html>

------------------------8X---------/form.html------------------

------------------------8X---------test.php------------------
<?php
global $_GET;
if(isset($_GET[name])){
      $testvar=$_GET[name];
      echo "X".$testvar."X";
} else {
 echo "not set";
}
print_r($_GET);
print_r($_POST);
?>
------------------------8X---------test.php------------------


If I enter anything in the form and submit, I get:
------------------------8X-------
not set

Array ( ) Array ( )
------------------------8X-------
Likewise for:
http://......../test.php?name=fred
I get exactly the same.

Effectively, I appear to be unable to pass POST or GET data:(

If this is potentially a configuration problem, then guidance please as we can get the httpd.conf, and php.ini altered if necessary.




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Asked On
2005-02-08 at 07:05:24ID21306290
Tags

working

,

php

Topic

PHP Installation

Participating Experts
1
Points
500
Comments
12

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Answers

 

by: hernst42Posted on 2005-02-08 at 07:26:17ID: 13254883

There is no need to declare $_GET as global, as it's already a supeglobal.

Can you provide a link to a phpinfo-page, may be there is something screwed up with your php-settings?

 

by: pjedmondPosted on 2005-02-08 at 07:33:22ID: 13254968

if(isset($_POST))
{
      echo "<BR>Post works <BR>";
}
if(isset($_GET))
{
      echo "<BR>Get works <BR>";
}

Indicates that $_POST, and the $_GET appear fine, just that the arrays are empty:(

 

by: pjedmondPosted on 2005-02-08 at 07:35:38ID: 13254996

http://82.165.31.167/82.165.31.167/spires.co.uk/php/testing_jim.php

and the query sting always comes out as empty whatever I do with it :(

 

by: hernst42Posted on 2005-02-08 at 07:38:03ID: 13255023

There are several settings which can lead to such a phenomon. So can you provide a link to such a page, so I can check which settings are made for the php.ini or upload the page output of that page to a viewable website? This will speedup the process of detecting the problem a lot.

 

by: pjedmondPosted on 2005-02-08 at 07:40:21ID: 13255049

That page has all of the phpinfo on it.

 

by: pjedmondPosted on 2005-02-08 at 07:43:55ID: 13255089

And this page:

http://82.165.31.167/82.165.31.167/spires.co.uk/php/test.html

POSTs information to the aforementioned page.

 

by: pjedmondPosted on 2005-02-08 at 07:49:21ID: 13255168

Duplicated phpinfo, under a more obvious name:

http://82.165.31.167/82.165.31.167/spires.co.uk/php/phpinfo.php

 

by: hernst42Posted on 2005-02-08 at 07:59:20ID: 13255294

Hm the settings look ok, there are only one thing which looks bad.

At the end of the php-info-page all superglobals are listed, but the is an entry "PHP_SELF" without any superglobal name infront. There typical the $_POST, $_GET, $_REQUEST are listed.

Are you using mod_rewrite to adopt pathes on that system?
Also the query string is always empty.

 

by: pjedmondPosted on 2005-02-08 at 08:14:52ID: 13255484

I can see the bit that you are referring to, but I'd be grateful if you can give me any pointers to understand why, and how to correct it. (short of a sledge hammer ;))

mod_rewrite is set up all over the place in the httpd.conf.

I can understand how that might mess up a 'get', but not sure whether it would do any thing to a 'Post'.

As the mod_rewrite is set up by OneAndOne, (as a result of the Plesk Control Panel I would guess?)

Would this be something that needs altering in the php.ini from a security point of view, or perhaps the httpd.conf?

 

by: hernst42Posted on 2005-02-08 at 08:22:02ID: 13255574

I also don't know why that part of the PHP-Variables is broken. On my box
http://ee.jojo.is-a-geek.net/info.php?X=4711
looks very good and the php.ini-settings look the same.

Are the any Rewriterules defined on your side? I have no glue why the PHP-Variables are screwed up that way on your server. Maybe the used rpm for php 4.3.10 is screwd up and has a bug.

 

by: pjedmondPosted on 2005-02-08 at 08:23:16ID: 13255591

The PHP_SELF appears to be associated with the line:

safe_mode_allowed_env_vars = PHP_    (from /etc/php.ini, so I guess that we are looking in the right place)

 

by: pjedmondPosted on 2005-02-08 at 16:58:06ID: 13260287

Many thanks hernst42 for your assistance - Problem eventually turned out to be that until the domain became live, there was a rewrite rule using a really spurious mess of slashes that I didn't have a hope of understanding. It also seemed to do something with a php base directory which didn't exist, so I created it.

As a result, I backed up the httpd.conf and replaced it with a nice straight forward one without the 'garbage' .

Thankyou for your overview - you kept me sane!...and the comment relating to rewrites did make me think about the relavent area, hence I've awarded you some of the points:)

20120131-EE-VQP-002

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