#38812 [NEW]: array_key_exists is ~16x slower than 5.1.x

From: chad at herballure dot com Operating system: Linux (SuSE 9.2) PHP version: 5CVS-2006-09-13 (snap) PHP Bug Type: Performance problem Bug description: array_key_exists is ~16x slower than 5.1.x Description: ------------ array_key_exists takes about 16 times longer in PHP 5.2-200609131430 than it does in 5.1.[246]. Reproduce code: --------------- http://www.sapphirepaw.org/ake_bug.txt (depends on Benchmark_Iterate in PEAR) Expected result: ---------------- The 5.1.x series produces numbers like: ake_test: Array ( [0] => 0.406023979187 [1] => 0.285789966583 [2] => 0.236785173416 [3] => 0.22957110405 ) Actual result: -------------- Yesterday's and todays 5.2 snapshots produce numbers like: ake_test: Array ( [0] => 4.45166897774 [1] => 4.08239388466 [2] => 4.0640411377 [3] => 4.06054711342 ) -- Edit bug report at http://bugs.php.net/?id=38812&edit=1 -- Try a CVS snapshot (PHP 4.4): http://bugs.php.net/fix.php?id=38812&r=trysnapshot44 Try a CVS snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=38812&r=trysnapshot52 Try a CVS snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=38812&r=trysnapshot60 Fixed in CVS: http://bugs.php.net/fix.php?id=38812&r=fixedcvs Fixed in release: http://bugs.php.net/fix.php?id=38812&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=38812&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=38812&r=needscript Try newer version: http://bugs.php.net/fix.php?id=38812&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=38812&r=support Expected behavior: http://bugs.php.net/fix.php?id=38812&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=38812&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=38812&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=38812&r=globals PHP 3 support discontinued: http://bugs.php.net/fix.php?id=38812&r=php3 Daylight Savings: http://bugs.php.net/fix.php?id=38812&r=dst IIS Stability: http://bugs.php.net/fix.php?id=38812&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=38812&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=38812&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=38812&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=38812&r=mysqlcfg