<?php
/**
* 批量驗證類
* @author [lee] <[<www.dollarphp.com>]>
* 1、驗證是否為空
* 2、驗證數據類型
* 3、驗證長度是否達標
* 4、驗證是否符合正則匹配
*/
class validation{
private $data;
private $msg = array();
public function __construct($main){
    foreach($main as $k=>$v){
        $this->data = $k;
        $bool = $v[0];
        $type = $v[1];
        $len_arr = $v[2];
        $preg = $v[3];
        $this->isEmpty($bool)->dataType($type)->dataLength($len_arr)->pregMath($preg);
    }
}
private function isEmpty($bool){
    $data = $this->data;
    if($bool){
        if(empty($data)){
            $msg = "‘{$data}‘不能為空";
            array_push($this->msg,$msg);
        }
    }
    return $this;
}
private function dataType($type){
    $data = $this->data;
    if($type==‘bool‘){
        if(!is_bool($data)){
            $msg = "‘{$data}‘不能為非布爾值";
            array_push($this->msg,$msg);
        }
    }elseif($type==‘string‘){
        if(!is_string($data)){
            $msg = "‘{$data}‘不能為非字符串值";
            array_push($this->msg,$msg);
        }
    }elseif($type==‘int‘){
        if(!is_int($data)){
            $msg = "‘{$data}‘不能為非整型值";
            array_push($this->msg,$msg);
        }
    }elseif($type==‘float‘){
        if(!is_float($data)){
            $msg = "‘{$data}‘不能為非浮點型值";
            array_push($this->msg,$msg);
        }
    }elseif($type==‘array‘){
        if(!is_array($data)){
            $msg = "‘{$data}‘不能為非數組值";
            array_push($this->msg,$msg);
        }
    }elseif($type==‘object‘){
        if(!is_object($data)){
            $msg = "‘{$data}‘不能為非對象值";
            array_push($this->msg,$msg);
        }
    }
    return $this;
}
private function dataLength($len_arr){
    $data = $this->data;
    $min = abs($len_arr[0]);
    $max = abs($len_arr[1]);
    $type = gettype($data);
    if($type==‘string‘){
        $len = strlen($data);
    }elseif($type==‘integer‘){
        $len = strlen($data);
    }elseif($type==‘double‘){
        $len0 = strlen($data);
        $len1 = explode(‘.‘,$len0);
        $len = $len1[1];
    }elseif($type==‘array‘){
        $len = count($data);
    }elseif($type==‘object‘){
        $data = (array)$data;
        $len = count($data);
    }
    if(!($len >= $min && $len <= $max)){
        $msg = "‘{$data}‘長度不能小於{$min}，不能大於{$max}";
        array_push($this->msg,$msg);
    }
    return $this;
}
private function pregMath($preg){
    $data = $this->data;
    if(!empty($preg)){
        if(!preg_match($preg,$data)){
            $msg = "‘{$data}‘格式不匹配‘{$preg}‘";
            array_push($this->msg,$msg);
        }
    }
}
public function checkData(){
    $msg = $this->msg;
    return $msg;
}
}
$data = array(
    ‘lee‘=>array(
            true,
            ‘string‘,
            array(5,20),
            ‘/^a.*/‘
        ),
    ‘hello‘=>array(
            false,
            ‘int‘,
            array(8,20),
            ‘/^a\s*/‘
        )
);
$validation = new validation($data);
$ret = $validation->checkData();
var_dump($ret);
 

array(5) {
[0]=>
string(41) "‘lee‘長度不能小於5，不能大於20"
[1]=>
string(28) "‘lee‘格式不匹配‘/^a.*/‘"
[2]=>
string(28) "‘hello‘不能為非整型值"
[3]=>
string(43) "‘hello‘長度不能小於8，不能大於20"
[4]=>
string(31) "‘hello‘格式不匹配‘/^a\s*/‘"
}