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<?php $str = '/dav/files/admin/%C3%BC%C3%B6%C3%A4%C3%B6%C3%A4%C3%BC%C3%B6%C3%A4%C3%BB%C5%B7%C3%AE'; $rawstr = rawurldecode($str); var_dump( mb_detect_encoding($rawstr, ['UTF-8', 'ISO-8859-1']), mb_detect_encoding($rawstr, ['ISO-8859-1', 'UTF-8']), mb_check_encoding($rawstr, 'ISO-8859-1'), mb_check_encoding($rawstr, 'UTF-8'), );
Output for git.master_jit, git.master, rfc.property-hooks
string(10) "ISO-8859-1" string(10) "ISO-8859-1" bool(true) bool(true)

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