note 95664 added to function.array-key-exists

A little function which take an array as keys <?php //note the s in the function name (keys) function array_keys_exists($array,$keys) { foreach($keys as $k) { if(!isset($array[$k])) { return false; } } return true; } ?> //useful to validate a form for example <form> <input type="text" name="field1" /><br /> <input type="text" name="field2" /><br /> <input type="text" name="field3" /><br /> <input type="text" name="field4" /><br /> <input type="text" name="field5" /><br /> </form> <?php if(!array_keys_exists($_POST, array("field1","field2","field3","field4","field5") )) { //some fields are missing, dont do anything (maybe hacking) } else { //code ... } ?> ---- Server IP: 195.221.21.36 Probable Submitter: 93.16.82.62 ---- Manual Page -- http://www.php.net/manual/en/function.array-key-exists.php Edit -- https://master.php.net/note/edit/95664 Del: integrated -- https://master.php.net/note/delete/95664/integrated Del: useless -- https://master.php.net/note/delete/95664/useless Del: bad code -- https://master.php.net/note/delete/95664/bad+code Del: spam -- https://master.php.net/note/delete/95664/spam Del: non-english -- https://master.php.net/note/delete/95664/non-english Del: in docs -- https://master.php.net/note/delete/95664/in+docs Del: other reasons-- https://master.php.net/note/delete/95664 Reject -- https://master.php.net/note/reject/95664 Search -- https://master.php.net/manage/user-notes.php