转载：PHP判断浏览器类型和浏览器语言

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<?php

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if(strpos($_SERVER["HTTP_USER_AGENT"],"MSIE 8.0"))

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echo "Internet Explorer 8.0";

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else if(strpos($_SERVER["HTTP_USER_AGENT"],"MSIE 7.0"))

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echo "Internet Explorer 7.0";

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else if(strpos($_SERVER["HTTP_USER_AGENT"],"MSIE 6.0"))

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echo "Internet Explorer 6.0";

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else if(strpos($_SERVER["HTTP_USER_AGENT"],"Firefox/3"))

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echo "Firefox 3";

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else if(strpos($_SERVER["HTTP_USER_AGENT"],"Firefox/2"))

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echo "Firefox 2";

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else if(strpos($_SERVER["HTTP_USER_AGENT"],"Chrome"))

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echo "Google Chrome";

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else if(strpos($_SERVER["HTTP_USER_AGENT"],"Safari"))

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echo "Safari";

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else if(strpos($_SERVER["HTTP_USER_AGENT"],"Opera"))

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echo "Opera";

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else echo $_SERVER["HTTP_USER_AGENT"];

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?>