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Bug #64859 memory leak in require/include when APC is enabled.
Submitted: 2013-05-16 12:02 UTC Modified: 2016-11-18 21:11 UTC
Votes:2
Avg. Score:4.0 ± 1.0
Reproduced:2 of 2 (100.0%)
Same Version:2 (100.0%)
Same OS:1 (50.0%)
From: ptr dot wang at gmail dot com Assigned:
Status: Wont fix Package: APC (PECL)
PHP Version: 5.3.25 OS: Linux/MacOSX
Private report: No CVE-ID: None
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 [2013-05-16 12:02 UTC] ptr dot wang at gmail dot com
Description:
------------
use the latest version of PHP (5.3.25) and latest version of APC (3.1.13),
just run this script and watch the memory usage of the php process
(please run with: php -d apc.enable_cli=1 )

<?php

touch('file1.php');
while (true) {
    $file = 'file1.php';
    require($file);
}

if run with  -dapc.enable_cli=0, it does not leak memory.


Test script:
---------------
<?php

touch('file1.php');
while (true) {
    $file = 'file1.php';
    require($file);
}


Expected result:
----------------
The memory usage should not grow.

Actual result:
--------------
The memory usage grows very quickly.

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 [2013-05-16 22:23 UTC] ptr dot wang at gmail dot com
To stably re-produce the bug, we need create 2 files.
// file1.php, can be empty

// leak.php
<?php

while (true) {
    $file = 'file1.php';
    require($file);
}

then run: php -d apc.enable_cli=1 leak.php

hope this helps, thanks.
 [2016-11-18 21:11 UTC] kalle@php.net
-Status: Open +Status: Wont fix
 [2016-11-18 21:11 UTC] kalle@php.net
APC is no longer supported in favor of opcache that comes bundled with PHP, if you wish to use the user cache, then look at PECL/APCu.
 
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