PEAR::SWF updating… read and modify swf with PHP

I’ve just begun to modify the old PHP class flashHeader. Now using the PEAR::File class for a better file I/O processes.
Basically now, other than returning all the main information from an swf file, such as the bg color, framerate, player version, compression, protection used, movie size.., it allows to modify some of those parameters.
For example it can change the framerate, background, protection… I’m also working in order to allows the class modify some other swf tags in runtime..
Working example

Here the source file

<?php
// include the PEAR package
require “File/File_SWF.php”;
$flash = new SWF(“source.swf”);
if(
$flash->is_valid()){
$stat = $flash->stat(); // this give all the info
// and also..
$fps = $flash->getFrameRate();
$size = $flash->getMovieSize();
$bg = $flash->getBackgroundColor();
$prot = $flash->getProtected();
$compr = $flash->getCompression();
$version = $flash->getVersion();

// they can be changed…
$flash->setFrameRate(60);
$flash->setProtected(1);
$flash->setBackgroundColor(51,51,204);
$flash->setCompression(1);

// and write a new file…
$flash->write(“./new_one.swf”,1);
}
?>