/**
* writeDouble takes a float as the input and writes it to the output stream.
* Then if the system is big-endian, it reverses the bytes order because all
* doubles passed via remoting are passed little-endian.
*
* @param double $d The double to add to the output buffer
*/
protected function writeDouble($d) {
$b = pack("d", $d); // pack the bytes
if (AmfUtil::isSystemBigEndian()) { // if we are a big-endian processor
$r = strrev($b);
} else { // add the bytes to the output
$r = $b;
}
$this->outBuffer .= $r;
}
/**
* readDouble reads the floating point value from the bytes stream and properly orders
* the bytes depending on the system architecture.
*
* @return float The floating point value of the next 8 bytes
*/
protected function readDouble(){
$bytes = substr($this->rawData, $this->currentByte, 8);
$this->currentByte += 8;
if (AmfUtil::isSystemBigEndian()){
$bytes = strrev($bytes);
}
$zz = unpack("dflt", $bytes); // unpack the bytes
return $zz['flt']; // return the number from the associative array
}
