Bug #66372 [NEW]: Garbage collection issue

From: nikcomestotalk at gmail dot com Operating system: Linux PHP version: 5.4.23 Package: *General Issues Bug Type: Bug Bug description:Garbage collection issue Description: ------------ Memory getting exhausted when a php script[staticarray.php] is included multiple times. staticarray.php size is 221K and which contain only arrays Example memcheck.php[Code shown in test script] When i simply execute this 02.75 mb 12.75 mb 22.75 mb 32.75 mb 42.75 mb 52.75 mb 62.75 mb 72.75 mb 82.75 mb 92.75 mb 102.75 mb I have used include_once, still memory usage keeps getting up. Steps i had taken to stop memory usage, but went in vain 1. use gc_enable 2. put unset(Variable name) above every array creation Test script: --------------- //Memcheck.php <?php for($i=0;$i<10;$i++) { include_once("staticarray.php"); echo "\n $i". convert(memory_get_usage(true)); } $CITY_DROP=array(); echo "\n $i". convert(memory_get_usage(true)); function convert($size) { $unit=array('b','kb','mb','gb','tb','pb'); return @round($size/pow(1024,($i=floor(log($size,1024)))),2).' '.$unit[$i]; } ?> Expected result: ---------------- I expect memory usage should be same throughout. 02.75 mb 02.75 mb 02.75 mb 02.75 mb 02.75 mb 02.75 mb 02.75 mb 02.75 mb 02.75 mb 02.75 mb 02.75 mb Actual result: -------------- 02.75 mb 12.75 mb 22.75 mb 32.75 mb 42.75 mb 52.75 mb 62.75 mb 72.75 mb 82.75 mb 92.75 mb 102.75 mb -- Edit bug report at https://bugs.php.net/bug.php?id=66372&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=66372&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=66372&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=66372&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=66372&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=66372&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=66372&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=66372&r=needscript Try newer version: https://bugs.php.net/fix.php?id=66372&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=66372&r=support Expected behavior: https://bugs.php.net/fix.php?id=66372&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=66372&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=66372&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=66372&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=66372&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=66372&r=dst IIS Stability: https://bugs.php.net/fix.php?id=66372&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=66372&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=66372&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=66372&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=66372&r=mysqlcfg