library/AMQP/Wire/Writer.php
public function writeLongLong($n)
    {
        $this->flushBits();
        $this->out .= implode('', Writer::chrByteSplit($n, 8));
        return $this;
    }
public function writeLongLong($n)
    {
        $this->flushBits();
        $this->out .= implode('', Writer::chrByteSplit($n, 8));
        return $this;
    }
public function writeLongLong ( $ n ) { $ this -> flushBits ( ) ; $ this -> out .= implode ( '' , Writer :: chrByteSplit ( $ n , 8 ) ) ; return $ this ; }
Write an integer as an unsigned 64-bit value.

@param $n

@return Writer
Write an integer as an unsigned 64 - bit value .