note 99880 added to function.array-flip

this function can be used to remove null elements form an array: <?php $ar = array(null,'1','2',null,'3',null); print_r($ar); /* result: Array ( [0] => [1] => 1 [2] => 2 [3] => [4] => 3 [5] => ) */ print_r(array_flip(array_flip($ar))); /* result: Array ( [1] => 1 [2] => 2 [4] => 3 ) */ ?> ---- Server IP: 216.235.13.26 Probable Submitter: 173.35.233.56 ---- Manual Page -- http://www.php.net/manual/en/function.array-flip.php Edit -- https://master.php.net/note/edit/99880 Del: integrated -- https://master.php.net/note/delete/99880/integrated Del: useless -- https://master.php.net/note/delete/99880/useless Del: bad code -- https://master.php.net/note/delete/99880/bad+code Del: spam -- https://master.php.net/note/delete/99880/spam Del: non-english -- https://master.php.net/note/delete/99880/non-english Del: in docs -- https://master.php.net/note/delete/99880/in+docs Del: other reasons-- https://master.php.net/note/delete/99880 Reject -- https://master.php.net/note/reject/99880 Search -- https://master.php.net/manage/user-notes.php