<?php $u = '%e5%ad%99%e6%82%9f%e7%a9%ba'; $o1 = urldecode($u); echo $o1.PHP_EOL; $o2 = iconv('gb2312',"UTF-8//IGNORE",$o1); echo $o2; var_dump( mb_detect_encoding($o1, 'UTF-8') );
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