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PHP处理解析HTML字符串的几种方法

Jun 13, 2016 am 11:38 AM
html php several kinds deal with string us Tutorial method of parse

  帮客之家(www.Bkjia.com)教程 经常我们需要去html字符串中某一段子字符串,下面介绍几个php处理这样问题的方法:

  1.strip_tags() 函数:可以过滤掉HTML和PHP标签,返回一个全新的字符串!

  用法:

  string strip_tags ( string 要处理的字符串 [, string 想保留的标签] )

  比如: 标签,就这样写,strip_tags($str, “”) ,如果要保留多个标签,则标签之间用空格隔开。

  2.用 strpos , substr 混合处理

  当我们要截取的字符串,有唯一的标识时,通常可以用这个办法,比如取一个带唯一id的标签abc,只要找到和,中间的内容就都出来了。

  3.PHP DOMDocument

  DOMDocument 提供的方法是输出没有任何标签的纯文本,如果你只需要文本数据,那用这个方法最简单拉

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