#34648 [NEW]: isset false positive on key to string

From: ira at cmiware dot com Operating system: slackware PHP version: 5.1.0RC1 PHP Bug Type: Arrays related Bug description: isset false positive on key to string Description: ------------ isset() returns a false positive when testing if an array key is valid, as in: Reproduce code: --------------- $myarray['parts'][1] = 'test'; var_dump(isset($myarray['parts'][1]['test'])); var_dump(isset($myarray['parts'][1]['test4'])); var_dump(isset($myarray['parts'][1][0])); var_dump(isset($myarray['parts'][1][1])); var_dump(isset($myarray['parts'][1][2])); var_dump(isset($myarray['parts'][1][3])); var_dump(isset($myarray['parts'][1][4])); Expected result: ---------------- bool(true) bool(false) bool(false) bool(false) bool(false) bool(false) bool(false) Actual result: -------------- bool(true) bool(true) bool(true) bool(true) bool(true) bool(true) bool(false) -- Edit bug report at http://bugs.php.net/?id=34648&edit=1 -- Try a CVS snapshot (php4): http://bugs.php.net/fix.php?id=34648&r=trysnapshot4 Try a CVS snapshot (php5.0): http://bugs.php.net/fix.php?id=34648&r=trysnapshot50 Try a CVS snapshot (php5.1): http://bugs.php.net/fix.php?id=34648&r=trysnapshot51 Fixed in CVS: http://bugs.php.net/fix.php?id=34648&r=fixedcvs Fixed in release: http://bugs.php.net/fix.php?id=34648&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=34648&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=34648&r=needscript Try newer version: http://bugs.php.net/fix.php?id=34648&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=34648&r=support Expected behavior: http://bugs.php.net/fix.php?id=34648&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=34648&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=34648&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=34648&r=globals PHP 3 support discontinued: http://bugs.php.net/fix.php?id=34648&r=php3 Daylight Savings: http://bugs.php.net/fix.php?id=34648&r=dst IIS Stability: http://bugs.php.net/fix.php?id=34648&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=34648&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=34648&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=34648&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=34648&r=mysqlcfg