A good PHP validation class-PHP Tutorial-php.cn

A good PHP validation class

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Release： 2016-07-25 08:42:57

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/**
* Verification class
*
* @lastmodify 2014-5-16
* @author jy625
*/
class VerifyAction{
/**
* Whether it is a null value
*/
public static function isEmpty($str){
$str = trim($str);
return !empty($str) ? true : false;
}
/**
* Number verification
* param:$flag: whether int is an integer and float is a floating point type
*/
public static function isNum($str,$flag = 'float'){
if(!self::isEmpty($str)) return false;
if(strtolower($flag) == 'int'){
return ((string)(int)$str === (string)$str) ? true : false;
}else{
return ((string)(float)$str === (string)$str) ? true : false;
}
}
/**
* Name matching, such as user name, directory name, etc.
* @param:string $str The string to be matched
* @param:$chinese Whether to support Chinese, supported by default. If it is matching file names, it is recommended to turn this off ( false)
* @param:$charset encoding (default utf-8, supports gb2312)
*/
public static function isName($str,$chinese = true,$charset = 'utf-8'){
if(!self::isEmpty($str)) return false;
if($chinese){
$match = (strtolower($charset) == 'gb2312') ? "/^[".chr(0xa1)."-".chr(0xff)."A-Za-z0-9_-]+$/" : "/^[x{4e00}-x{9fa5}A-Za-z0-9_]+$/u";
}else{
$match = '/^[A-za-z0-9_-]+$/';
}
return preg_match($match,$str) ? true : false;
}
/**
* Email verification
*/
public static function isEmail($str){
if(!self::isEmpty($str)) return false;
return preg_match("/([a-z0-9]*[-_.]?[a-z0-9]+)*@([a-z0-9]*[-_]?[a-z0-9]+)+[.][a-z]{2,3}([.][a-z]{2})?/i",$str) ? true : false;
}
//手机号码验证
public static function isMobile($str){
$exp = "/^13[0-9]小贝[0-9]{8}$|15[012356789]小贝[0-9]{8}$|18[012356789]小贝[0-9]{8}$|14[57]小贝[0-9]$/";
if(preg_match($exp,$str)){
return true;
}else{
return false;
}
}
/**
* URL verification, pure URL format, does not support IP verification
*/
public static function isUrl($str){
if(!self::isEmpty($str)) return false;
return preg_match('#(http|https|ftp|ftps)://([w-]+.)+[w-]+(/[w-./?%&=]*)?#i',$str) ? true : false;
}
/**
* Verify Chinese
* @param:string $str The string to be matched
* @param:$charset encoding (default utf-8, support gb2312)
*/
public static function isChinese($str,$charset = 'utf-8'){
if(!self::isEmpty($str)) return false;
$match = (strtolower($charset) == 'gb2312') ? "/^[".chr(0xa1)."-".chr(0xff)."]+$/"
: "/^[x{4e00}-x{9fa5}]+$/u";
return preg_match($match,$str) ? true : false;
}
/**
* UTF-8 validation
*/
public static function isUtf8($str){
if(!self::isEmpty($str)) return false;
return (preg_match("/^([".chr(228)."-".chr(233)."]小贝[".chr(128)."-".chr(191)."]小贝[".chr(128)."-".chr(191)."]小贝)小贝/",$word)
== true || preg_match("/([".chr(228)."-".chr(233)."]小贝[".chr(128)."-".chr(191)."]小贝[".chr(128)."-".chr(191)."]小贝)小贝$/",$word)
== true || preg_match("/([".chr(228)."-".chr(233)."]小贝[".chr(128)."-".chr(191)."]小贝[".chr(128)."-".chr(191)."]小贝){2,}/",$word)
== true) ? true : false;
}
/**
* Verification length
* @param: string $str
* @param: int $type (method, default min <= $str <= max)
* @param: int $min, minimum value; $max, Maximum value;
* @param: string $charset character
*/
public static function length($str,$type=3,$min=0,$max=0,$charset = 'utf-8'){
if(!self::isEmpty($str)) return false;
$len = mb_strlen($str,$charset);
switch($type){
case 1: //只匹配最小值
return ($len >= $min) ? true : false;
break;
case 2: //只匹配最大值
return ($max >= $len) ? true : false;
break;
default: //min <= $str <= max
return (($min <= $len) && ($len <= $max)) ? true : false;
}
}
/**
* Verification password
* @param string $value
* @param int $length
* @return boolean
*/
public static function isPWD($value,$minLen=6,$maxLen=16){
$match='/^[\~!@#$%^&*()-_=+|{}
,.?/:;'"dw]{'.$minLen.','.$maxLen.'}$/';
$v = trim($value);
if(empty($v))
return false;
return preg_match($match,$v);
}
/**
* Verify username
* @param string $value
* @param int $length
* @return boolean
*/
public static function isNames($value, $minLen=2, $maxLen=16, $charset='ALL'){
if(empty($value))
return false;
switch($charset){
case 'EN': $match = '/^[_wd]{'.$minLen.','.$maxLen.'}$/iu';
break;
case 'CN':$match = '/^[_x{4e00}-x{9fa5}d]{'.$minLen.','.$maxLen.'}$/iu';
break;
default:$match = '/^[_wdx{4e00}-x{9fa5}]{'.$minLen.','.$maxLen.'}$/iu';
}
return preg_match($match,$value);
}
/**
* Verification email
* @param string $value
*/
public static function checkZip($str){
if(strlen($str)!=6){
return false;
}
if(substr($str,0,1)==0){
return false;
}
return true;
}
/**
* Match date
* @param string $value
*/
public static function checkDate($str){
$dateArr = explode("-", $str);
if (is_numeric($dateArr[0]) && is_numeric($dateArr[1]) && is_numeric($dateArr[2])) {
if (($dateArr[0] >= 1000 && $timeArr[0] <= 10000) && ($dateArr[1] >= 0 && $dateArr[1] <= 12) && ($dateArr[2] >= 0 && $dateArr[2] <= 31))
return true;
else
return false;
}
return false;
}
/**
* Matching time
* @param string $value
*/
public static function checkTime($str){
$timeArr = explode(":", $str);
if (is_numeric($timeArr[0]) && is_numeric($timeArr[1]) && is_numeric($timeArr[2])) {
if (($timeArr[0] >= 0 && $timeArr[0] <= 23) && ($timeArr[1] >= 0 && $timeArr[1] <= 59) && ($timeArr[2] >= 0 && $timeArr[2] <= 59))
return true;
else
return false;
}
return false;
}
}

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