note 110065 added to function.ctype-digit

<?php if (is_IMEI_valid($_GET[imei])) echo 1; else echo 0; // Check IMEI of a mobile phone function is_IMEI_valid($imei){ if (!ctype_digit($imei) || strlen($imei)!=15) return false; $sum = 0; for($ii=0; $ii<15; $ii++) { $num = $imei[$ii] * (1+$ii%2); $sum += $num; if ($num>9) $sum -= 9; } return $sum%10==0; } ?> ---- Server IP: 69.147.83.199 Probable Submitter: 193.188.140.84 ---- Manual Page -- http://www.php.net/manual/en/function.ctype-digit.php Edit -- https://master.php.net/note/edit/110065 Del: integrated -- https://master.php.net/note/delete/110065/integrated Del: useless -- https://master.php.net/note/delete/110065/useless Del: bad code -- https://master.php.net/note/delete/110065/bad+code Del: spam -- https://master.php.net/note/delete/110065/spam Del: non-english -- https://master.php.net/note/delete/110065/non-english Del: in docs -- https://master.php.net/note/delete/110065/in+docs Del: other reasons-- https://master.php.net/note/delete/110065 Reject -- https://master.php.net/note/reject/110065 Search -- https://master.php.net/manage/user-notes.php