note 95664 deleted from function.array-key-exists by crell

Note Submitter: gmdebby at gmail dot com ---- 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 ... } ?>