将YouTube嵌入代码剥离为仅URL [英] Strip YouTube Embed Code Down to URL Only

问题描述

请帮助！

我需要剥离以下代码，使其仅使用值部分

I need to strip the following code so that it only uses the "value" part

$<object width="360" height="226"><param name="movie" value="http://www.youtube.com/v/IkZuQ-aTIs0"></param><param name="allowFullScreen" value="true"></param><param name="allowscriptaccess" value="always"></param><embed src="http://www.youtube.com/v/IkZuQ-aTIs0" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="360" height="226"></embed></object>

因此，在这种情况下，它会将其剥离为 http://www.youtube.com/v/IkZuQ-aTIs0

So in this case it would strip it down to http://www.youtube.com/v/IkZuQ-aTIs0

问题是这是动态的，因此它会为不同文件提取这些嵌入代码，因此它们正在更改。

The catch is that this is dynamic so it is pulling these embed codes for different files so they are changing.

请帮助：D

推荐答案

<?php

$string = '<object width="360" height="226"><param name="movie" value="http://www.youtube.com/v/IkZuQ-aTIs0"></param><param name="allowFullScreen" value="true"></param><param name="allowscriptaccess" value="always"></param><embed src="http://www.youtube.com/v/IkZuQ-aTIs0" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="360" height="226"></embed></object>';

preg_match_all('#http://www.youtube.com/v/([\w\-]+){11}#is', $string, $matches);

print_r( array_unique($matches[0]) );

?>

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