PhpAmqpLib/Wire/AMQPWriter.php
public function write_longlong($n)
    {
        if ($n < 0) {
            throw new AMQPInvalidArgumentException('Longlong out of range: ' . $n);
        }

        // if PHP_INT_MAX is big enough for that
        // direct $n<=PHP_INT_MAX check is unreliable on 64bit (values close to max) due to limited float precision
        if (bcadd($n, -PHP_INT_MAX, 0) <= 0) {
            // trick explained in http://www.php.net/manual/fr/function.pack.php#109328
            if ($this->is64bits) {
                list($hi, $lo) = $this->splitIntoQuads($n);
            } else {
                $hi = 0;
                $lo = $n;
            } //on 32bits hi quad is 0 a priori
            $this->out .= pack('NN', $hi, $lo);
        } else {
            try {
                $this->out .= self::packBigEndian($n, 8);
            } catch (AMQPOutOfBoundsException $ex) {
                throw new AMQPInvalidArgumentException('Longlong out of range: ' . $n, 0, $ex);
            }
        }

        return $this;
    }
public function write_longlong($n)
    {
        if ($n < 0) {
            throw new AMQPInvalidArgumentException('Longlong out of range: ' . $n);
        }

        // if PHP_INT_MAX is big enough for that
        // direct $n<=PHP_INT_MAX check is unreliable on 64bit (values close to max) due to limited float precision
        if (bcadd($n, -PHP_INT_MAX, 0) <= 0) {
            // trick explained in http://www.php.net/manual/fr/function.pack.php#109328
            if ($this->is64bits) {
                list($hi, $lo) = $this->splitIntoQuads($n);
            } else {
                $hi = 0;
                $lo = $n;
            } //on 32bits hi quad is 0 a priori
            $this->out .= pack('NN', $hi, $lo);
        } else {
            try {
                $this->out .= self::packBigEndian($n, 8);
            } catch (AMQPOutOfBoundsException $ex) {
                throw new AMQPInvalidArgumentException('Longlong out of range: ' . $n, 0, $ex);
            }
        }

        return $this;
    }
public function write_longlong ( $ n ) { if ( $ n < 0 ) { throw new AMQPInvalidArgumentException ( 'Longlong out of range: ' . $ n ) ; } // if PHP_INT_MAX is big enough for that // direct $n<=PHP_INT_MAX check is unreliable on 64bit (values close to max) due to limited float precision if ( bcadd ( $ n , - PHP_INT_MAX , 0 ) <= 0 ) { // trick explained in http://www.php.net/manual/fr/function.pack.php#109328 if ( $ this -> is64bits ) { list ( $ hi , $ lo ) = $ this -> splitIntoQuads ( $ n ) ; } else { $ hi = 0 ; $ lo = $ n ; } //on 32bits hi quad is 0 a priori $ this -> out .= pack ( 'NN' , $ hi , $ lo ) ; } else { try { $ this -> out .= self :: packBigEndian ( $ n , 8 ) ; } catch ( AMQPOutOfBoundsException $ ex ) { throw new AMQPInvalidArgumentException ( 'Longlong out of range: ' . $ n , 0 , $ ex ) ; } } return $ this ; }
Write an integer as an unsigned 64-bit value

@param int $n
@return $this
Write an integer as an unsigned 64 - bit value