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<?php var_dump(mb_detect_encoding("\x19", "ASCII,7bit,8bit", true)); var_dump(mb_detect_encoding("\x20", "ASCII,7bit,8bit", true)); var_dump(mb_detect_encoding("\x21", "ASCII,7bit,8bit", true)); var_dump(mb_detect_encoding("\x8F", "ASCII,7bit,8bit", true));

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58.66 ms | 402 KiB | 5 Q