使用dd函数代替var_dump当使用非laravel框架时https://packagist.org/packages/wanfeiyy/dd
$arr = ['a'=>'a','b'=>b];
dd($arr);$ composer require wanfeiyy/dd
{
"require": {
"wanfeiyy/dd": "*"
}
}<?php
require 'vendor/autoload.php';
$splObjectStorage = new SplObjectStorage();
dd($splObjectStorage);