php 解析字符串编码方式 GB2312 UTF8

//查看编码方式$codeFormat = mb_detect_encoding($inStr, array("ASCII", "UTF-8", "GB2312", "GBK", "BIG5"));echo $codeFormat;

//转码if ($codeFormat == "UTF-8"){$outStr = iconv("UTF-8", "GBK", $inStr);}