private function parseSignedInt8()
    {
        try {
            $result = \ord($this->buffer);

            if ($result & 0x80) {
                return $result - 0x100;
            }

            return $result;
        } finally {
            $this->buffer = mb_orig_substr($this->buffer, 1);
        }
    }
private function parseSignedInt8()
    {
        try {
            $result = \ord($this->buffer);

            if ($result & 0x80) {
                return $result - 0x100;
            }

            return $result;
        } finally {
            $this->buffer = mb_orig_substr($this->buffer, 1);
        }
    }
private function parseSignedInt8 ( ) { try { $ result = \ ord ( $ this -> buffer ) ; if ( $ result & 0x80 ) { return $ result - 0x100 ; } return $ result ; } finally { $ this -> buffer = mb_orig_substr ( $ this -> buffer , 1 ) ; } }
Parse a 8-bit signed integer from the head of the buffer.
@return int
Parse a 8 - bit signed integer from the head of the buffer .