src/Bunny/Protocol/Buffer.php
public function appendDouble($value)
    {
        $s = pack("d", $value);
        return $this->append(self::$isLittleEndian ? self::swapEndian64($s) : $s);
    }
public function appendDouble($value)
    {
        $s = pack("d", $value);
        return $this->append(self::$isLittleEndian ? self::swapEndian64($s) : $s);
    }
public function appendDouble ( $ value ) { $ s = pack ( "d" , $ value ) ; return $ this -> append ( self :: $ isLittleEndian ? self :: swapEndian64 ( $ s ) : $ s ) ; }
Appends double to buffer.

@param float $value
@return Buffer
Appends double to buffer .