note 81444 added to function.is-numeric

You can check first character much simpler: function first_char_numeric($str) { return is_numeric($str[0]); } ---- Server IP: 83.170.119.58 Probable Submitter: 217.36.23.172 ---- Manual Page -- http://www.php.net/manual/en/function.is-numeric.php Edit -- https://master.php.net/note/edit/81444 Del: integrated -- https://master.php.net/note/delete/81444/integrated Del: useless -- https://master.php.net/note/delete/81444/useless Del: bad code -- https://master.php.net/note/delete/81444/bad+code Del: spam -- https://master.php.net/note/delete/81444/spam Del: non-english -- https://master.php.net/note/delete/81444/non-english Del: in docs -- https://master.php.net/note/delete/81444/in+docs Del: other reasons-- https://master.php.net/note/delete/81444 Reject -- https://master.php.net/note/reject/81444 Search -- https://master.php.net/manage/user-notes.php