#32318 [Opn->Fbk]: memory_limit does not work

From: Date: Tue, 15 Mar 2005 22:56:32 +0000
Subject: #32318 [Opn->Fbk]: memory_limit does not work
References: 1  Groups: php.bugs 
Request: Send a blank email to php-bugs+get-76857@lists.php.net to get a copy of this message 
 ID:               32318
 Updated by:       sniper@php.net
 Reported By:      camka at email dot ee
-Status:           Open
+Status:           Feedback
-Bug Type:         *General Issues
+Bug Type:         Scripting Engine problem
 Operating System: Linux
 PHP Version:      4.3.10
 New Comment:

Please try using this CVS snapshot:

  http://snaps.php.net/php4-STABLE-latest.tar.gz
 
For Windows:
 
  http://snaps.php.net/win32/php4-win32-STABLE-latest.zip

This works fine here..



Previous Comments:
------------------------------------------------------------------------

[2005-03-15 17:33:31] camka at email dot ee

Description:
------------
php compiled with --enable-memory-limit, but setting the value of
memory_limit more then certain number won't affect scripts.

tried set the value of memory_limit in both php.ini and script body -
nothing helped.

Reproduce code:
---------------
<?php
    echo ini_get('memory_limit'),"\n";
    ini_set('memory_limit', 100000000);
    echo ini_get('memory_limit'),"\n";
    ini_set('display_errors', 1);
    ini_set('error_reporting', E_ALL);
    function a()
    {
        echo 'fck oyu!';
    }
    register_shutdown_function('a');
    $zz = 'u';
    for($i=1; $i<1000; $i++)
    {
        $zz .= $zz;
        echo $i,' - ',  memory_get_usage(),"<br>\n";flush();
    }

?>


Expected result:
----------------
allocate at least 100MB of memory and die if exceeded.

Actual result:
--------------
100M
100000000
1 - 12912<br>
2 - 12912<br>
3 - 12920<br>
4 - 12944<br>
5 - 12960<br>
6 - 13032<br>
7 - 13096<br>
8 - 13224<br>
9 - 13480<br>
10 - 13992<br>
11 - 15016<br>
12 - 17064<br>
13 - 21160<br>
14 - 29352<br>
15 - 45736<br>
16 - 78504<br>
17 - 144040<br>
18 - 275112<br>
19 - 537256<br>
20 - 1061544<br>
21 - 2110120<br>
22 - 4207272<br>
23 - 8401576<br>


error_log:
FATAL:  erealloc():  Unable to allocate 16777217 bytes


------------------------------------------------------------------------


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