note 72470 added to function.is-numeric

Test if a number is positive and contains only 0-9: function is_number($number) { $text = (string)$number; $textlen = strlen($text); if ($textlen==0) return 0; for ($i=0;$i < $textlen;$i++) { $ch = ord($text{$i}); if (($ch<48) || ($ch>57)) return 0; } return 1; } returns 0 : number contain character outside 0-9 1 : valid number. ---- Server IP: 69.147.83.197 Probable Submitter: 86.106.55.169 ---- Manual Page -- http://www.php.net/manual/en/function.is-numeric.php Edit -- https://master.php.net/note/edit/72470 Del: integrated -- https://master.php.net/note/delete/72470/integrated Del: useless -- https://master.php.net/note/delete/72470/useless Del: bad code -- https://master.php.net/note/delete/72470/bad+code Del: spam -- https://master.php.net/note/delete/72470/spam Del: non-english -- https://master.php.net/note/delete/72470/non-english Del: in docs -- https://master.php.net/note/delete/72470/in+docs Del: other reasons-- https://master.php.net/note/delete/72470 Reject -- https://master.php.net/note/reject/72470 Search -- https://master.php.net/manage/user-notes.php