<?php
/**
 * Created by PhpStorm.
 * User: PFG2018
 * Date: 2019/4/8
 * Time: 11:35
 */
namespace common\Helps;
use yii\helpers\StringHelper;
class Str extends StringHelper{

        public static function trimall($str)
        {
            $oldchar=array(" ","　","\t","\n","\r");
            $newchar=array("","","","","");
            return str_replace($oldchar,$newchar,$str);
        }
}