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<?php var_dump( $conv = mb_convert_encoding( $bin = hex2bin("1b284200"), "UTF-8", "ISO-2022-JP-MS" ), mb_check_encoding($bin, "ISO-2022-JP-MS"), bin2hex(mb_convert_encoding($conv, "ISO-2022-JP-MS", "UTF-8")) );
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40.58 ms | 402 KiB | 5 Q