#40863 [NEW]: str_ireplace not behaving as expected

From: jonathan at sadowski dot us Operating system: Ubuntu PHP version: 5.2.1 PHP Bug Type: Strings related Bug description: str_ireplace not behaving as expected Description: ------------ str_ireplace doesn't behave as expected when $search and $replace are equally sized arrays, and $subject is a string containing mixed case. Reproduce code: --------------- <?php $phrase = "We the People of the United States"; $letters = explode(" ","A B C D E F G H I J K L M N O P Q R S T U V W X Y Z"); $key = $letters; shuffle($key); echo sizeof($letters) . "\n" . sizeof($key) . "\n\n"; echo implode(" ",$letters) . "\n" . implode(" ",$key) . "\n" . str_ireplace($letters,$key,$phrase); ?> Expected result: ---------------- 26 26 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z V T U O W Q E X Y K S D Z B M A I L J R C F G H P N GW RXW AWMADW MQ RXW CBYRWO JRVRWJ Actual result: -------------- 26 26 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z V T U O W Q E X Y K S D Z B M A I L J R C F G H P N GG RHG AGMADG MI RHG CBPRGM JRFRGJ -- Edit bug report at http://bugs.php.net/?id=40863&edit=1 -- Try a CVS snapshot (PHP 4.4): http://bugs.php.net/fix.php?id=40863&r=trysnapshot44 Try a CVS snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=40863&r=trysnapshot52 Try a CVS snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=40863&r=trysnapshot60 Fixed in CVS: http://bugs.php.net/fix.php?id=40863&r=fixedcvs Fixed in release: http://bugs.php.net/fix.php?id=40863&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=40863&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=40863&r=needscript Try newer version: http://bugs.php.net/fix.php?id=40863&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=40863&r=support Expected behavior: http://bugs.php.net/fix.php?id=40863&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=40863&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=40863&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=40863&r=globals PHP 3 support discontinued: http://bugs.php.net/fix.php?id=40863&r=php3 Daylight Savings: http://bugs.php.net/fix.php?id=40863&r=dst IIS Stability: http://bugs.php.net/fix.php?id=40863&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=40863&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=40863&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=40863&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=40863&r=mysqlcfg