From: kurt at surfmerchants dot com Operating system: Linux PHP version: 5.2.5 PHP Bug Type: Arrays related Bug description: Array keys being added when returning by reference
Description: ------------ When returning an array element from a function by reference, if the element key does not exist, the element key is added. Reproduce code: --------------- class simple { var $items = array(); function &getItem($name) { return $this->items[$name]; } } $obj = new simple(); print "Keys before getting item:\n".print_r(array_keys($obj->items), TRUE)."\n"; $retrieved =& $obj->getItem('SHOULD_NOT_EXIST'); print "Retrieved: \n"; var_dump($retrieved); print "Keys after getting item:\n".print_r(array_keys($obj->items), TRUE)."\n"; Expected result: ---------------- Keys before getting item: Array ( ) Retrieved: NULL Keys after getting item: Array ( ) Actual result: -------------- Keys before getting item: Array ( ) Retrieved: NULL Keys after getting item: Array ( [0] => SHOULD_NOT_EXIST ) -- Edit bug report at http://bugs.php.net/?id=44559&edit=1 -- Try a CVS snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=44559&r=trysnapshot52 Try a CVS snapshot (PHP 5.3): http://bugs.php.net/fix.php?id=44559&r=trysnapshot53 Try a CVS snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=44559&r=trysnapshot60 Fixed in CVS: http://bugs.php.net/fix.php?id=44559&r=fixedcvs Fixed in release: http://bugs.php.net/fix.php?id=44559&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=44559&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=44559&r=needscript Try newer version: http://bugs.php.net/fix.php?id=44559&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=44559&r=support Expected behavior: http://bugs.php.net/fix.php?id=44559&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=44559&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=44559&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=44559&r=globals PHP 4 support discontinued: http://bugs.php.net/fix.php?id=44559&r=php4 Daylight Savings: http://bugs.php.net/fix.php?id=44559&r=dst IIS Stability: http://bugs.php.net/fix.php?id=44559&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=44559&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=44559&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=44559&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=44559&r=mysqlcfg