判断是否为utf-8编码 function is_utf8($string) { return preg_match(‘%^(?: [x09x0Ax0Dx20-x7E] # ASCII | [xC2-xDF][x80-xBF] # non-overlong 2-byte | xE0[xA0…
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判断是否为utf-8编码 function is_utf8($string) { return preg_match(‘%^(?: [x09x0Ax0Dx20-x7E] # ASCII | [xC2-xDF][x80-xBF] # non-overlong 2-byte | xE0[xA0…