WHOOPS PHP调试库的使用

composer require filp/whoops 

安装whoops

<?php 
//使用Composer自动加载器
require 'vendor/autoload.php'

//设置Whoops提供的错误和异常处理的程序
$whoops = new \Whoops\Run;
$whoops -> pushHandler(new \Whoops\Handler\PrettyPageHandler)
$whools->register