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PHP怎么从一段文字中提取url

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Release： 2016-06-13 13:17:16
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PHP怎样从一段文字中提取url？
哪些方法可以从一段文件中提取url，最好的方法是什么？

------解决方案--------------------
要看你的url是咋样的构造。一、可以用正则 二、可以转化dom元素，取url属性

Related labels：
dom php url
source：php.cn
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