集合包括，验证email,移动，联通，电信手机号码，身份证以及常用验证信息
<?php /*过滤验证方法集合 by joffe 围脖@狂code诗人*/ /* 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 $string;}/*验证是否emailstring 需要验证的字符串# boolen 符合email格式返回true,不符合返回false*/function is_email($string){if (preg_match("/^[\w-]+(\.[\w-]+)*@[\w-]+(\.[\w-]+)+$/",$string)) { return true;} else{return false;}}/*验证是否urlstring 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;};}?> |