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<?php var_dump( $conv = mb_convert_encoding( $bin = hex2bin("dc01d8020042"), "UTF-32", "UTF-16" ), mb_check_encoding($bin, "UTF-32"), bin2hex(mb_convert_encoding($conv, "UTF-16", "UTF-32")) );
Output for git.master, git.master_jit, rfc.property-hooks
string(12) "??B" bool(false) string(12) "003f003f0042"

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