Overrides QpEncoder::encodeString
public function encodeString(string $string, ?string $charset = 'utf-8', int $firstLineOffset = 0, int $maxLineLength = 0) : string { return str_replace([ ' ', '=20', "=\r\n", ], [ '_', '_', "\r\n", ], parent::encodeString($string, $charset, $firstLineOffset, $maxLineLength)); }