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php各种验证类

2024-07-12 18:47:53   224人阅读

<?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;
    } 
}


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