php各种验证类

<?php

/**

 * 验证类

 *

 */

class VerifyAction{

    /**

     * 是否为空值

     */  

    public static function isEmpty($str){

        $str = trim($str);    

        return !empty($str) ? true : false;

    }

    /**

     * 数字验证

     * param:$flag : int是否是整数，float是否是浮点型

     */      

    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;

        }

    } 

    /**

     * 名称匹配，如用户名，目录名等

     * @param:string $str 要匹配的字符串

     * @param:$chinese 是否支持中文,默认支持，如果是匹配文件名，建议关闭此项（false）

     * @param:$charset 编码（默认utf-8,支持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;

    }

    /**

     * 邮箱验证

     */      

    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){

        $exp = "/^13[0-9]{1}[0-9]{8}$|15[012356789]{1}[0-9]{8}$|18[012356789]{1}[0-9]{8}$|14[57]{1}[0-9]$/";

        if(preg_match($exp,$str)){

            return true;

        }else{

            return false;

        }

    }

    /**

     * URL验证，纯网址格式，不支持IP验证

     */      

    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;

    }

    /**

     * 验证中文

     * @param:string $str 要匹配的字符串

     * @param:$charset 编码（默认utf-8,支持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验证

     */      

    public static function isUtf8($str){

        if(!self::isEmpty($str)) return false;

        return (preg_match("/^([".chr(228)."-".chr(233)."]{1}[".chr(128)."-".chr(191)."]{1}[".chr(128)."-".chr(191)."]{1}){1}/",$word)

        == true || preg_match("/([".chr(228)."-".chr(233)."]{1}[".chr(128)."-".chr(191)."]{1}[".chr(128)."-".chr(191)."]{1}){1}$/",$word)

        == true || preg_match("/([".chr(228)."-".chr(233)."]{1}[".chr(128)."-".chr(191)."]{1}[".chr(128)."-".chr(191)."]{1}){2,}/",$word)

        == true) ? true : false;

    }

    /**

     * 验证长度

     * @param: string $str

     * @param: int $type(方式，默认min <= $str <= max)

     * @param: int $min,最小值;$max,最大值;

     * @param: string $charset 字符

    */

    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;

        }

    }

    /**

     * 验证密码

     * @param string $value

     * @param int $length

     * @return boolean

     */

    public static function isPWD($value,$minLen=6,$maxLen=16){

        $match='/^[\\~!@#$%^&*()-_=+|{}\[\],.?\/:;\'\"\d\w]{'.$minLen.','.$maxLen.'}$/';

        $v = trim($value);

        if(empty($v))

            return false;

        return preg_match($match,$v);

    } 

    /**

     * 验证用户名

     * @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': $match = '/^[_\w\d]{'.$minLen.','.$maxLen.'}$/iu';

                break;

            case 'CN':$match = '/^[_\x{4e00}-\x{9fa5}\d]{'.$minLen.','.$maxLen.'}$/iu';

                break;

            default:$match = '/^[_\w\d\x{4e00}-\x{9fa5}]{'.$minLen.','.$maxLen.'}$/iu';

        }

        return preg_match($match,$value);

    } 

    /**

     * 验证邮箱

     * @param string $value

     */  

    public static function checkZip($str){

        if(strlen($str)!=6){

            return false;

        }

        if(substr($str,0,1)==0){

            return false;

        }

        return true;

    } 

    /**

     * 匹配日期

     * @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;

    }

    /**

     * 匹配时间

     * @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;

    } 

}