#40509 [NEW]: key() function changed behaviour if global array is used within function

From: alex dot killing at gmx dot de Operating system: MaxOsX/RedHat PHP version: 5.2.1 PHP Bug Type: Arrays related Bug description: key() function changed behaviour if global array is used within function Description: ------------ If a global array is assigned to a local variable as in the example, and the local variable is iterated afterwards, the key() function changed the behaviour in the global scope with PHP 5.2.1. Reproduce code: --------------- <?php function foo() { global $arr; $c = $arr["v"]; foreach ($c as $v) {} } $arr["v"] = array("a"); echo "-".key($arr["v"])."-"; // prints "0" foo(); echo "<br/>-".key($arr["v"])."-"; // prints "" since 5.2.1 ("0" on all prior versions) ?> Expected result: ---------------- -0- -0- Actual result: -------------- -0- -- -- Edit bug report at http://bugs.php.net/?id=40509&edit=1 -- Try a CVS snapshot (PHP 4.4): http://bugs.php.net/fix.php?id=40509&r=trysnapshot44 Try a CVS snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=40509&r=trysnapshot52 Try a CVS snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=40509&r=trysnapshot60 Fixed in CVS: http://bugs.php.net/fix.php?id=40509&r=fixedcvs Fixed in release: http://bugs.php.net/fix.php?id=40509&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=40509&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=40509&r=needscript Try newer version: http://bugs.php.net/fix.php?id=40509&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=40509&r=support Expected behavior: http://bugs.php.net/fix.php?id=40509&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=40509&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=40509&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=40509&r=globals PHP 3 support discontinued: http://bugs.php.net/fix.php?id=40509&r=php3 Daylight Savings: http://bugs.php.net/fix.php?id=40509&r=dst IIS Stability: http://bugs.php.net/fix.php?id=40509&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=40509&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=40509&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=40509&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=40509&r=mysqlcfg