/**
* @name: check_data
* @description: 检测数据规则
* @param: string 被检测的原字符串
* @param: string 被检测的类型
* @return: boolean
* @create: 2014-10-10
**/
function check_data($string, $type='email'){
$return = FALSE;
switch($type){
case 'email' : {$return = preg_match("/^(\w+[-+.]*\w+)*@(\w+([-.]*\w+)*\.\w+([-.]*\w+)*)$/", $string); break;}
case 'http' : {$return = preg_match("/^http:\/\/[A-Za-z0-9-]+\.[A-Za-z0-9]+[\/=\?%\-&_~`@[\]\':+!]*([^<>\"])*$/", $string); break;}
case 'qq' : {$return = preg_match("/^[1-9]\d{4,11}$/", $string); break;}
case 'post' : {$return = preg_match("/^[1-9]\d{5}$/", $string); break;}
case 'idnum' : {$return = preg_match("/^\d{15}(\d{2}[A-Za-z0-9])?$/", $string); break;}
case 'china' : {$return = preg_match("/^[".chr(0xa1)."-".chr(0xff)."]+$/", $string); break;} //GBK中文
case 'english' : {$return = preg_match("/^[A-Za-z]+$/", $string); break;}
case 'mobile' : {$return = preg_match("/^((\(\d{3}\))|(\d{3}\-))?((13)|(14)|(15)|(17)|(18)){1}\d{9}$/", $string); break;}
case 'phone' : {$return = preg_match("/^((\(\d{3}\))|(\d{3}\-))?(\(0\d{2,3}\)|0\d{2,3}-)?[1-9]\d{6,7}$/", $string); break;}
case 'safe' : {$return = preg_match("/^(([A-Z]*|[a-z]*|\d*|[-_\~!@#\$%\^&\*\.\(\)\[\]\{\}<>\?\\\/\'\"]*)|.{0,5})$|\s/", $string) != 0 ? TRUE : FALSE; break;}
case 'age' : {$return = (preg_match("/^(-{0,1}|\+{0,1})[0-9]+(\.{0,1}[0-9]+)$/", $string) && intval($string) <= 130 && intval($string) >= 12) ? TRUE : FALSE; break;}
case 'eng_num' : {$return = preg_match("/^[A-Za-z0-9]+$/", $string); break;}
case 'password' : {$return = (preg_match("/^[A-Za-z0-9]+$/", $string) && strlen($string) <= 32 && strlen($string) >= 6) ? TRUE : FALSE; break;}
case 'datetime' : {$return = preg_match('/^[\d]{4}-[\d]{1,2}-[\d]{1,2}\s[\d]{1,2}:[\d]{1,2}:[\d]{1,2}$/', $string); break;}
case 'datetimes' : {$return = preg_match('/^[\d]{4}-[\d]{2}-[\d]{2}\s[\d]{2}:[\d]{2}:[\d]{2}$/', $string); break;}
case 'date' : {$return = preg_match('/^[\d]{4}-[\d]{1,2}-[\d]{1,2}$/', $string); break;}
case 'dates' : {$return = preg_match('/^[\d]{4}-[\d]{2}-[\d]{2}$/', $string); break;}
case 'time' : {$return = preg_match('/^[\d]{1,2}:[\d]{1,2}:[\d]{1,2}$/', $string); break;}
case 'times' : {$return = preg_match('/^[\d]{2}:[\d]{2}:[\d]{2}$/', $string); break;}
case 'ip' : {$return = preg_match("/^\b(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\b$/", $string); break;}
case 'incchinese' : {$return = preg_match('/[\x{4e00}-\x{9fa5}]+/u', $string); break;} //是否包含中文
case 'plusnum' : {$return = preg_match('/^[1-9]*[1-9][0-9]*$/', $string); break;} //是否是正整数
case 'hostrecord' : {$return = preg_match('/^[A-Z_a-z0-9][A-Za-z0-9-]+(\.[A-Za-z0-9-_]+)*$/', $string); break;} //正确的主机记录,english
case 'cnhostrecord' : {$return = preg_match('/^[_a-zA-Z0-9]*([\x{4e00}-\x{9fa5}]*[-a-zA-Z0-9\.]*)+[a-zA-Z0-9_]$/iu', $string); break;} //正确的主机记录,english chinese
case 'domain' : {$return = preg_match('/^[A-Za-z0-9][A-Za-z0-9-]+(\.[A-Za-z0-9-]+){1,3}$/', $string); break;} //是否是域名
case 'cndomain' : {$return = (preg_match('/[\x{4e00}-\x{9fa5}]+/u', $string) && preg_match('/^([-a-zA-Z0-9\.]*[\x{4e00}-\x{9fa5}]*[-a-zA-Z0-9\.]*)+\.(中国|公司|网络|CN|COM|NET)$/iu', $string)) ? TRUE : FALSE; break;} //是否中文域名
case 'mac' : {$return = preg_match('/^[a-fA-F\d]{2}:[a-fA-F\d]{2}:[a-fA-F\d]{2}:[a-fA-F\d]{2}:[a-fA-F\d]{2}:[a-fA-F\d]{2}$/', $string); break;}
case 'ipv6' : {$return = preg_match('/^\s*((([0-9A-Fa-f]{1,4}:){7}([0-9A-Fa-f]{1,4}|:))|(([0-9A-Fa-f]{1,4}:){6}(:[0-9A-Fa-f]{1,4}|((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3})|:))|(([0-9A-Fa-f]{1,4}:){5}(((:[0-9A-Fa-f]{1,4}){1,2})|:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3})|:))|(([0-9A-Fa-f]{1,4}:){4}(((:[0-9A-Fa-f]{1,4}){1,3})|((:[0-9A-Fa-f]{1,4})?:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){3}(((:[0-9A-Fa-f]{1,4}){1,4})|((:[0-9A-Fa-f]{1,4}){0,2}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){2}(((:[0-9A-Fa-f]{1,4}){1,5})|((:[0-9A-Fa-f]{1,4}){0,3}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){1}(((:[0-9A-Fa-f]{1,4}){1,6})|((:[0-9A-Fa-f]{1,4}){0,4}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(:(((:[0-9A-Fa-f]{1,4}){1,7})|((:[0-9A-Fa-f]{1,4}){0,5}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:)))(%.+)?\s*$/', $string); break;}
}
gettype($return) == 'integer' && $return = $return == 0 ? FALSE : TRUE;
return $return;
}