贴一个链接,有兴趣的可以去看看：
http://www.php-internals.com/book/?p=index
php内核基础，值得一看
打赏几块钱，帮我买杯咖啡吧，谢谢大家！
支付宝二维码
Forget forgot forgotten forgetful forgettable unforgettable.