note 90011 added to function.explode

I need a function to take comma separated values and output them as an array with out repeats. <?php function keyExplode($delimiter, $string) { $ret = array(); $arr = explode($delimiter, $string); foreach($arr as $val) { $ret[$val] = 1; } return $ret; } ---- Server IP: 209.41.74.194 Probable Submitter: 68.238.158.178 ---- Manual Page -- http://www.php.net/manual/en/function.explode.php Edit -- https://master.php.net/note/edit/90011 Del: integrated -- https://master.php.net/note/delete/90011/integrated Del: useless -- https://master.php.net/note/delete/90011/useless Del: bad code -- https://master.php.net/note/delete/90011/bad+code Del: spam -- https://master.php.net/note/delete/90011/spam Del: non-english -- https://master.php.net/note/delete/90011/non-english Del: in docs -- https://master.php.net/note/delete/90011/in+docs Del: other reasons-- https://master.php.net/note/delete/90011 Reject -- https://master.php.net/note/reject/90011 Search -- https://master.php.net/manage/user-notes.php