- <?php
- /*过滤验证方法集合*/
- /* 转义可能引起sql注入的特殊字符.
- $string 需要转移的字符串;
- $forece 是否强制转换
- #string 转后的字符串.
- */
- $magic_quotes_gpc = get_magic_quotes_gpc();
- function tdsql($string, $force = 0) {
- if(!$GLOBALS['magic_quotes_gpc'] || $force) {
- if(is_array($string)) {
- foreach($string as $key => $val) {
- $string[$key] = tdsql($val, $force);
- }
- } else {
- $string = addslashes($string);
- }
- }
- return $string;
- }
- /*验证是否email
- string 需要验证的字符串
- # boolen 符合email格式返回true,不符合返回false
- */
- function is_email($string){if (preg_match("/^[\\w-]+(\\.[\\w-]+)*@[\\w-]+(\\.[\\w-]+)+$/",$string)) { return true;} else{return false;}}
- /*验证是否url
- string 需要验证的字符串是否url
- # 是返回true
- */
- function is_url($string){if(preg_match("/^[\\w-]+://(\\w+(-\\w+)*)(\\.(\\w+(-\\w+)*))*(\\?\\S*)?$/",$string)){return true;}else{return false;}}
- function is_num($str){return is_numeric($str);}
- function is_chinese($string){if(preg_match("/[^\\x00-\\xff]/",$string)){return true;}else{return false;}}
- function is_qq($string){if(preg_match('/^(\\d{5,10})$/',$string)){return true;}else{return false;};}
- /*安全字符串,就是只含有英文数字和_*/
- function is_safe_str($string){if(preg_match("/^\\w+$/",$string)){return true;}else{return false;}}
- /*用户名串只有中英文和数字 6到21字节*/
- function is_username($string){if(preg_match("/^[\\x{4e00}-\\x{9fa5}a-zA-Z0-9]{6,21}$/u",$string)){return true;}else{return false;}}
- /*密码字符串可以含有部分特殊字符的的 4-18位*/
- function is_passwd($string){if(preg_match("/^[\\@A-Za-z0-9\\!\\#\\$\\%\\^\\&\\*\\.\\~]{6,22}$/",$string)){return true;}else{return false;}}
- /*中国身份证*/
- function is_shenfenzheng($string){if(preg_match("/^(\\d{18}|\\d{15}|\\d{17}x)$/",$string)){return true;}else{return false;}}
- /*手机号码 11位简单判断*/
- function is_phone($string){if(preg_match("/^\\d{11}$/",$string)){return true;}else{return false;}}
- /*移动手机号码*/
- function is_phone_yd($string){if(preg_match("/^[134-139,147,150-152,157-159,181-183,187-188]\\d{9}$/",$string)){return true;}else{return false;}}
- /*联通手机号码*/
- function is_phone_lt($string){if(preg_match("/^[130-132,155,156,185,186]\\d{9}$/",$string)){return true;}else{return false;}}
- /*电信手机号码*/
- function is_phone_dx($string){if(preg_match("/^[133,153,180,189]\\d{9}$/",$string)){return true;}else{return false;}}
- /*固定电话*/
- function is_telphone($string){if(preg_match("/^(\\(\\d{3,4}\\)|\\d{3,4}-|\\s)?\\d{8}$/",$string)){return true;}else{return false;}}
- /*验证URL 是否来自本站*/
- if(isset($_GET['url'])){if(!is_myurl($_GET['url'])){$_GET['url']="http://".$_SERVER['HTTP_HOST']."/";}}
- function is_myurl($string){$arr_url = parse_url($string);if($arr_url['host'] == $_SERVER['HTTP_HOST']){return true;}else{return false;}}
- /*用户名可以含有中文*/
- function is_username_cn($string){if(preg_match("/^(?!_|\\s\\')[A-Za-z0-9_\\x80-\\xff\\s\\']{6,27}$/",$string)){return true;}else{return false;};}
- ?>
- //该片段来自于http://www.codesnippet.cn/detail/170620134071.html
来源: http://www.codesnippet.cn/detail/170620134071.html