php 数据验证类函数定义

<?
class validator 
{ 

function __construct() 
{ 
   
} 
/** 
* is email address 
* 
* @param string $string 
* @param bool $required 
* @return bool 
*/ 
public static function isEmail ($string, $required = false) 
{ 
   $isRightFormat = false; 
   if($string == '' && $required ===false) 
   { 
    $isRightFormat = true; 
   } 
   $exp_match = '/([\w-\.]+)@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.)|(([\w-]+\.)+))([a-zA-Z]{2,4}|[0-9]{1,3})(\]?)/'; 
   $isRightFormat = preg_match($exp_match, $string) ? true : false; 
   return $isRightFormat; 
} 
/** 
* is Http url format 
* 
* @param string $string 
* @param bool $required 
* @return bool 
*/ 
public static function isHttpUrl ($string, $required =false) 
{ 
   $isRightFormat = false; 
   if($string =='' && $required ===false) 
   { 
    $isRightFormat = true; 
   } 
   $exp_match = '/^http:\/\/[A-Za-z0-9]+\.[A-Za-z0-9]+[\/=\?%\-&_~`@[\]\':+!]*([^<>\"\"])*$/'; 
   $isRightFormat = preg_math($exp_match, $string) ? true : false; 
   return $isRightFormat; 
} 
/** 
* is cellphone number 
* 
* @param string $string 
* @param bool $required 
* @return bool 
*/ 
public static function isCellPhone ($string, $required = false) 
{ 
   $isRightFormat = false; 
   if($string == '' && $required ===false) 
   { 
    $isRightFormat = true; 
   } 
   $exp_match = '/^((\(\d{3}\))|(\d{3}\-))?1[3,5]\d{9}$/'; 
   $isRightFormat = preg_match($exp_match, $string) ? true : false; 
   return $isRightFormat; 
} 
/** 
* is phone number 
* 
* @param string $string 
* @param bool $required 
* @return bool 
*/ 
public static function isPhone ($string, $required = false) 
{ 
   $isRightFormat = false; 
   if($string == "" && $required === false) 
   { 
    $isRightFormat = true; 
   } 
   $exp_match = '/^[+]{0,1}(\d){1,3}[ ]?([-]?((\d)|[ ]){1,12})+$/'; 
   $isRightFormat = preg_match($exp_match, $string) ? true : false; 
   return $isRightFormat; 
} 
/** 
* Is zip code 
* 
* @param string $string 
* @param bool $required 
* @return bool 
*/ 
public static function isZipCode ($string, $required =false) 
{ 
   $isRightFormat = false; 
   if($string == '' && $required ===false) 
   { 
    $isRightFormat = true; 
   } 
   $exp_match = '/[0-9]{6}/'; 
   $isRightFormat = preg_match($exp_match, $string) ? true : false; 
   return $isRightFormat; 
} 
/** 
* Is id card 
* 
* @param string $string 
* @param bool $required 
* @return bool 
*/ 
public static function isIdCard ($string, $required = false) 
{ 
   $isRightFormat = false; 
   if($string == '' && $required === false) 
   { 
    $isRightFormat = true; 
   } 
   $exp_match = '/(^([\d]{15}|[\d]{18}|[\d]{17}[xX]{1})$)/'; 
   $isRightFormat = preg_match($exp_match, $string) ? true : false; 
   return $isRightFormat; 
} 
/** 
* Is date 
* 
* @param string $string 
* @param bool $required 
* @return bool 
*/ 
public static function isDateFormat ($string, $required = false) 
{ 
   $isRightFormat = false; 
   if($string == '' && $required === false) 
   { 
    $isRightFormat = true; 
   } 
   $exp_match = '/^[0-9]{4}-[0-9]{1,2}-[0-9]{1,2}$/'; 
   if(preg_match($exp_match, $string)) 
   { 
    $dateArray = explode('-', $string); 
    $isRightFormat = checkdate($dateArray[1], $dateArray[2], $dateArray[0]) ? true : false;
   } 
   return $isRightFormat; 
} 
/** 
* Is Range of time 
* 
* @param string $start 
* @param string $end 
* @return bool 
*/ 
public static function isRangeTime ($start, $end) 
{ 
   $isRightFormat = false; 
   if(self::isDateFormat($start) && self::isDateFormat($end)) 
   { 
    $isRightFormat = strtotime($end) - strtotime($start) > 0 ? true : false; 
   } 
   return $isRightFormat; 
} 
/** 
* money format 
* 
* @param string $string 
* @param bool $required 
* @return bool 
*/ 
public static function isMoney ($string, $required = false) 
{ 
   $isRightFormat = true; 
   if($string == '' && $required === false) 
   { 
    $isRightFormat = true; 
   } 
   $exp_match = '/^[0-9]{1,8}[.]{0,1}[0-9]{0,2}$/'; 
   $isRightFormat = preg_match($exp_match, $string) ? true : false; 
   return $isRightFormat; 
} 
/** 
* Is numeric 
* 
* @param string $string 
* @param int $min 
* @param int $max 
* @param bool $required 
* @return bool 
*/ 
public static function isInt ($string, $min = 0, $max = 0, $required = false) 
{ 
   $isRightFormat = false; 
   if($string == '' && $required ===false) 
   { 
    $isRightFormat = true; 
   } 
   if(is_numeric($string)) 
   { 
    $isRightFormat = ($min == 0 && $max ==0 ? true : ($string > $min && $string < $max ? true : false)); 
   } 
   return $isRightFormat; 
} 
//end of class 
} 

?>