From:             jille at hexon dot cx
Operating system: Linux
PHP version:      5.4.10
Package:          cURL related
Bug Type:         Bug
Bug description:Memory leak when reusing curl-handle

Description:
------------
PHP (or libcurl, I'm afraid I don't know where exactly the problem lies)
seems to leak memory when using the same curl-handle for multiple
requests.

The test script below reports the same memory_get_usage()-value for the
first 300 requests and a 25% increase after but top(1) reports the memory
grows up to 100MB when the script is done.

Uncommenting the resetting of CURLOPT_POSTFIELDS doesn't seem to help.
Uncommenting the recreation of $ch prevents the memory from being leaked.

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

        $ch = curl_init('http://some-domain.com/dump.html');
        for($i = 0; 1000 > $i; $i++) {
#               $ch = curl_init('http://some-domain.com/dump.html');
                $post = array();
                $post['data'] = base64_encode(str_repeat(hash('sha256', 
uniqid()),
1000));
                curl_setopt($ch, CURLOPT_POST, true);
                curl_setopt($ch, CURLOPT_POSTFIELDS, $post);
                curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
                curl_exec($ch);
                # curl_setopt($ch, CURLOPT_POSTFIELDS, '');
                if($i % 100 == 0) {
                        var_dump(memory_get_usage(true));
                }
        }
?>



-- 
Edit bug report at https://bugs.php.net/bug.php?id=63859&edit=1
-- 
Try a snapshot (PHP 5.4):   
https://bugs.php.net/fix.php?id=63859&r=trysnapshot54
Try a snapshot (PHP 5.3):   
https://bugs.php.net/fix.php?id=63859&r=trysnapshot53
Try a snapshot (trunk):     
https://bugs.php.net/fix.php?id=63859&r=trysnapshottrunk
Fixed in SVN:               https://bugs.php.net/fix.php?id=63859&r=fixed
Fixed in release:           https://bugs.php.net/fix.php?id=63859&r=alreadyfixed
Need backtrace:             https://bugs.php.net/fix.php?id=63859&r=needtrace
Need Reproduce Script:      https://bugs.php.net/fix.php?id=63859&r=needscript
Try newer version:          https://bugs.php.net/fix.php?id=63859&r=oldversion
Not developer issue:        https://bugs.php.net/fix.php?id=63859&r=support
Expected behavior:          https://bugs.php.net/fix.php?id=63859&r=notwrong
Not enough info:            
https://bugs.php.net/fix.php?id=63859&r=notenoughinfo
Submitted twice:            
https://bugs.php.net/fix.php?id=63859&r=submittedtwice
register_globals:           https://bugs.php.net/fix.php?id=63859&r=globals
PHP 4 support discontinued: https://bugs.php.net/fix.php?id=63859&r=php4
Daylight Savings:           https://bugs.php.net/fix.php?id=63859&r=dst
IIS Stability:              https://bugs.php.net/fix.php?id=63859&r=isapi
Install GNU Sed:            https://bugs.php.net/fix.php?id=63859&r=gnused
Floating point limitations: https://bugs.php.net/fix.php?id=63859&r=float
No Zend Extensions:         https://bugs.php.net/fix.php?id=63859&r=nozend
MySQL Configuration Error:  https://bugs.php.net/fix.php?id=63859&r=mysqlcfg

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