使用PHP从html代码获取Youtube视频ID

问题描述：

我想从html代码中获取所有唯一的youtube视频ID

I want to get all only youtube video ID from html code

查看youtube视频的(或多个)对象/嵌入代码

look the (or multiple) object/embed code for youtube video

//来自数据库的html

// html from database

    <p>loremm ipsum dolor sit amet enot
    <a href="link" attribute=""blah blah blah">anchor link</a>
    </p>

    <object width="425" height="344">
        <param name="movie" value="http://www.youtube.com/v/Ou5eVl5eqtg&hl=es_ES&fs=1&"></param>
        <param name="allowFullScreen" value="true"></param>
        <param name="allowscriptaccess" value="always"></param>
        <embed src="http://www.youtube.com/v/Ou5eVl5eqtg&hl=es_ES&fs=1&"
    type="application/x-shockwave-flash"
    allowscriptaccess="always"
    allowfullscreen="true"
    width="425"
    height="344">
    </embed>
        </object>

    <image src="path/to/image.ext" >
    <p>lorem ipsum dolor sit amet... blah</p>
    <p>lorem ipsum dolor sit amet... blah</p>

    <object width="425" height="344">
        <param name="movie" value="http://www.youtube.com/v/Ou5eVl5eqtg&hl=es_ES&fs=1&"></param>
        <param name="allowFullScreen" value="true"></param>
        <param name="allowscriptaccess" value="always"></param>
        <embed src="http://www.youtube.com/v/Ou5eVl5eqtg&hl=es_ES&fs=1&"
    type="application/x-shockwave-flash"
    allowscriptaccess="always"
    allowfullscreen="true"
    width="425"
    height="344">
    </embed>
        </object>
<p>blah</p>
blah<br/>
blah<br/>
blah<br/>

答

从htmlpurifier的youtube插件中被偷走了:

Brazenly stolen from htmlpurifier's youtube plugin:

preg_match('#<object[^>]+>.+?http://www.youtube.com/v/([A-Za-z0-9\-_]+).+?</object>#s', $markup, $matches);
var_dump($matches[1]);

使用PHP从html代码获取Youtube视频ID

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