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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("\xA1", "ASCII, 7bit, 8bit", true));

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40.9 ms | 402 KiB | 5 Q