note 60975 added to function.array-diff

A simple multidimentional key aware array_diff function. <?php function arr_diff($a1,$a2){ foreach($a1 as $k=>$v){ unset($dv); if(is_int($k)){ // Compare values if(array_search($v,$a2)===false) $dv=$v; else if(is_array($v)) $dv=arr_diff($v,$a2[$k]); if($dv) $diff[]=$dv; }else{ // Compare noninteger keys if(!$a2[$k]) $dv=$v; else if(is_array($v)) $dv=arr_diff($v,$a2[$k]); if($dv) $diff[$k]=$dv; } } return $diff; } ?> This function meets my immidiate needs but I'm shure it can be improved. ---- Server IP: 194.239.128.8 Probable Submitter: 212.242.117.72 ---- Manual Page -- http://www.php.net/manual/en/function.array-diff.php Edit -- http://master.php.net/manage/user-notes.php?action=edit+60975 Delete: added to the manual -- http://master.php.net/manage/user-notes.php?action=delete+60975&report=yes&reason=added+to+the+manual Delete: bad code -- http://master.php.net/manage/user-notes.php?action=delete+60975&report=yes&reason=bad+code Delete: spam -- http://master.php.net/manage/user-notes.php?action=delete+60975&report=yes&reason=spam Delete: useless -- http://master.php.net/manage/user-notes.php?action=delete+60975&report=yes&reason=useless Delete: non-english -- http://master.php.net/manage/user-notes.php?action=delete+60975&report=yes&reason=non-english Delete: already in docs -- http://master.php.net/manage/user-notes.php?action=delete+60975&report=yes&reason=already+in+docs Delete: other reasons -- http://master.php.net/manage/user-notes.php?action=delete+60975&report=yes Reject -- http://master.php.net/manage/user-notes.php?action=reject+60975&report=yes Search -- http://master.php.net/manage/user-notes.php