这篇文章主要介绍了一个PHP实现的轻量级简单爬虫,本文总结了爬虫的一些知识如爬虫的结构、正则表达式、其他问题等,然后给出了爬虫实现代码,需要的朋友可以参考下-This article introduces a lightweight reptiles simple PHP implementation, this paper summarizes some reptiles, such as knowledge of the structure of reptiles, regular expressions, other issues, and then gives the reptile implementation code, need friends can refer to the following