mirror of
https://github.com/renbaoshuo/S2OJ.git
synced 2024-11-10 05:58:41 +00:00
96d4a3ecf7
Due to historical reasons, the code is in subfolder "1". With SVN removal, we place the code back and remove the annoying "1" folder.
50 lines
1.1 KiB
PHP
50 lines
1.1 KiB
PHP
<?php
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function validateUsername($username) {
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return is_string($username) && preg_match('/^[a-zA-Z0-9_]{1,20}$/', $username);
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}
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function validatePassword($password) {
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return is_string($password) && preg_match('/^[a-z0-9]{32}$/', $password);
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}
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function validateEmail($email) {
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return is_string($email) && strlen($email) <= 50 && preg_match('/^(.+)@(.+)$/', $email);
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}
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function validateQQ($QQ) {
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return is_string($QQ) && strlen($QQ) <= 15 && preg_match('/^[0-9]{5,15}$/', $QQ);
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}
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function validateMotto($motto) {
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return is_string($motto) && ($len = mb_strlen($motto, 'UTF-8')) !== false && $len <= 50;
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}
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function validateUInt($x) { // [0, 1000000000)
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if (!is_string($x)) {
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return false;
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}
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if ($x === '0') {
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return true;
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}
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return preg_match('/^[1-9][0-9]{0,8}$/', $x);
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}
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function validateInt($x) {
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if (!is_string($x)) {
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return false;
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}
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if ($x[0] == '-') {
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$x = substr($x, 1);
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}
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return validateUInt($x);
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}
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function validateUploadedFile($name) {
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return isset($_FILES[$name]) && is_uploaded_file($_FILES[$name]['tmp_name']);
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}
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function validateIP($ip) {
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return filter_var($ip, FILTER_VALIDATE_IP) !== false;
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}
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