php表单检查类

表单检查类，包括不为空，邮箱格式，手机号码格式，QQ格式，URL格式等：

<?phpclass regexTool {private $validate = array('require'   =>  '/.+/','email'     =>  '/^\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$/','url'       =>  '/^http(s?):\/\/(?:[A-za-z0-9-]+\.)+[A-za-z]{2,4}(?:[\/\?#][\/=\?%\-&~`@[\]\':+!\.#\w]*)?$/','currency'  =>  '/^\d+(\.\d+)?$/','number'    =>  '/^\d+$/','zip'       =>  '/^\d{6}$/','integer'   =>  '/^[-\+]?\d+$/','double'    =>  '/^[-\+]?\d+(\.\d+)?$/','english'   =>  '/^[A-Za-z]+$/','qq'=>'/^\d{5,11}$/','mobile'=>'/^1(3|4|5|7|8)\d{9}$/',);private $returnMatchResult = false;private $fixMode = null;private $matches = array();private $isMatch = false;public function __construct($returnMatchResult = false, $fixMode = null) {$this->returnMatchResult = $returnMatchResult;$this->fixMode = $fixMode;}private function regex($pattern, $subject) {if(array_key_exists(strtolower($pattern), $this->validate))$pattern = $this->validate[$pattern].$this->fixMode;$this->returnMatchResult ?preg_match_all($pattern, $subject, $this->matches) :$this->isMatch = preg_match($pattern, $subject) === 1;return $this->getRegexResult();}private function getRegexResult() {if($this->returnMatchResult) {return $this->matches;} else {return $this->isMatch;}}public function toggleReturnType($bool = null) {if(empty($bool)) {$this->returnMatchResult = !$this->returnMatchResult;} else {$this->returnMatchResult = is_bool($bool) ? $bool : (bool)$bool;}}public function setFixMode($fixMode) {$this->fixMode = $fixMode;}public function noEmpty($str) {return $this->regex('require', $str);}public function isEmail($email) {return $this->regex('email', $email);}public function isMobile($mobile) {return $this->regex('mobile', $mobile);}public function check($pattern, $subject) {return $this->regex($pattern, $subject);}}?>

调用方法：

<?php$username="mingming";$email="ascsdcdc";$mobile="123456789";$regex = new regexTool();if(!$regex->noEmpty($username)) exit('用户名是必须填写的！');if(!$regex->isEmail($email)) exit('email格式错误!');if(!$regex->isMobile($mobile)) exit('手机号格式错误!');?>