From: ctulek at gmail dot com Operating system: Windows PHP version: 5.2.1 PHP Bug Type: Arrays related Bug description: array_reduce behaves strange with one item stored arrays
Description: ------------ array_reduce seems to modify, after one call, arrays which have only one item. This can be observed with many different ways. One example code is given. Reproduce code: --------------- <?php function CommaSeperatedList($a, $b) { if($a == null) return $b; else return $a.','.$b; } $arr1 = array(1,2,3); $arr2 = array(1); echo "result for arr1: ".array_reduce($arr1,'CommaSeperatedList')."<br>"; echo "result for arr2: ".array_reduce($arr2,'CommaSeperatedList')."<br>"; echo "result for arr1: ".array_reduce($arr1,'CommaSeperatedList')."<br>"; echo "result for arr2: ".array_reduce($arr2,'CommaSeperatedList')."<br>"; ?> Expected result: ---------------- result for arr1: 1,2,3 result for arr2: 1 result for arr1: 1,2,3 result for arr2: 1 Actual result: -------------- result for arr1: 1,2,3 result for arr2: 1 result for arr1: 1,2,3 result for arr2: -- Edit bug report at http://bugs.php.net/?id=40709&edit=1 -- Try a CVS snapshot (PHP 4.4): http://bugs.php.net/fix.php?id=40709&r=trysnapshot44 Try a CVS snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=40709&r=trysnapshot52 Try a CVS snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=40709&r=trysnapshot60 Fixed in CVS: http://bugs.php.net/fix.php?id=40709&r=fixedcvs Fixed in release: http://bugs.php.net/fix.php?id=40709&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=40709&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=40709&r=needscript Try newer version: http://bugs.php.net/fix.php?id=40709&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=40709&r=support Expected behavior: http://bugs.php.net/fix.php?id=40709&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=40709&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=40709&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=40709&r=globals PHP 3 support discontinued: http://bugs.php.net/fix.php?id=40709&r=php3 Daylight Savings: http://bugs.php.net/fix.php?id=40709&r=dst IIS Stability: http://bugs.php.net/fix.php?id=40709&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=40709&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=40709&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=40709&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=40709&r=mysqlcfg