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<?php var_dump(mb_detect_encoding("\x19", "ASCII", true)); var_dump(mb_detect_encoding("\x20", "ASCII", true)); var_dump(mb_detect_encoding("\x21", "ASCII", true)); var_dump(mb_detect_encoding("\xA1", "ASCII", true)); var_dump(mb_detect_encoding("\x19", "7bit", true)); var_dump(mb_detect_encoding("\x20", "7bit", true)); var_dump(mb_detect_encoding("\x21", "7bit", true)); var_dump(mb_detect_encoding("\xA1", "7bit", true)); var_dump(mb_detect_encoding("\x19", "8bit", true)); var_dump(mb_detect_encoding("\x20", "8bit", true)); var_dump(mb_detect_encoding("\x21", "8bit", true)); var_dump(mb_detect_encoding("\xA1", "8bit", true));

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