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$encode = mb_detect_encoding($keytitle, array("ASCII","UTF-8","GB2312","GBK","BIG5")); if ($encode == "UTF-8"){ $keytitle = iconv("UTF-8","GBK",$keytitle); }
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$encode = mb_detect_encoding($keytitle, array('ASCII','GB2312','GBK','UTF-8');
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