get_meta_data for string.

From: Date: Tue, 02 Dec 2008 20:18:02 +0000
Subject: get_meta_data for string.
Groups: php.general 
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I was wondering, is there any get_meta_data function for string? as far as I saw, the user-made functions had lack of handling with pattern order, or unquoted meta tags (etc: "<META content=text/html; charset=UTF-8 http-equiv=Content-Type>" or even "<META content="text/html; charset=UTF-8" http-equiv=Content-Type>". How comes the function only get url as an argument?

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