library/AMQP/Wire/Writer.php
public function writeLong($n)
    {
        $this->flushBits();
        $this->out .= implode('', Writer::chrByteSplit($n, 4));
        return $this;
    }
public function writeLong($n)
    {
        $this->flushBits();
        $this->out .= implode('', Writer::chrByteSplit($n, 4));
        return $this;
    }
public function writeLong ( $ n ) { $ this -> flushBits ( ) ; $ this -> out .= implode ( '' , Writer :: chrByteSplit ( $ n , 4 ) ) ; return $ this ; }
Write an integer as an unsigned 32-bit value.

@param $n

@return Writer
Write an integer as an unsigned 32 - bit value .