note 116777 added to function.ctype-alnum

Both preg_match('/^[a-zA-Z0-9]+$/', $var) and ctype_alnum returns true if you type only numbers (e.g.: 123456). ---- Server IP: 72.52.91.14 Probable Submitter: 129.178.88.81 ---- Manual Page -- http://php.net/manual/en/function.ctype-alnum.php Edit -- https://master.php.net/note/edit/116777 Del: integrated -- https://master.php.net/note/delete/116777/integrated Del: useless -- https://master.php.net/note/delete/116777/useless Del: bad code -- https://master.php.net/note/delete/116777/bad+code Del: spam -- https://master.php.net/note/delete/116777/spam Del: non-english -- https://master.php.net/note/delete/116777/non-english Del: in docs -- https://master.php.net/note/delete/116777/in+docs Del: other reasons-- https://master.php.net/note/delete/116777 Reject -- https://master.php.net/note/reject/116777 Search -- https://master.php.net/manage/user-notes.php