Bug #66091 [NEW]: Memory leak in DateTime::createFromFormat()

From: lars_teuber at gmx dot de Operating system: Windows/Linux PHP version: Irrelevant Package: Unknown/Other Function Bug Type: Bug Bug description:Memory leak in DateTime::createFromFormat() Description: ------------ Hi, DateTime::createFromFormat() has a memory leak. Tested with: 5.3.14, 5.4.4, 5.5.3 Best regards Lars Teuber Test script: --------------- <?php $mem_start = memory_get_usage(true); echo 'start: ' . $mem_start . '<br>'; $max_iterations = 1000000; for ($i = 1; $i <= $max_iterations; $i++) { DateTime::createFromFormat('M/D/Y H:i:s', '2013-11-12 20:00:00'); if (($i % 100000) == 0) { echo $i . '.: ' . memory_get_usage(true) . '<br>'; } } $mem_end = memory_get_usage(true); echo 'end: ' . $mem_end . '<br>'; echo 'diff end-start: ' . ($mem_end - $mem_start) . '<br>'; ?> Expected result: ---------------- (more or less) constant memory usage Actual result: -------------- start: 524288 100000.: 16777216 200000.: 33030144 300000.: 53477376 400000.: 65536000 500000.: 77594624 600000.: 106168320 700000.: 118226944 800000.: 130285568 900000.: 142344192 1000000.: 154140672 end: 154140672 diff end-start: 153616384 -- Edit bug report at https://bugs.php.net/bug.php?id=66091&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=66091&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=66091&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=66091&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=66091&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=66091&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=66091&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=66091&r=needscript Try newer version: https://bugs.php.net/fix.php?id=66091&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=66091&r=support Expected behavior: https://bugs.php.net/fix.php?id=66091&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=66091&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=66091&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=66091&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=66091&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=66091&r=dst IIS Stability: https://bugs.php.net/fix.php?id=66091&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=66091&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=66091&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=66091&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=66091&r=mysqlcfg