public static function run($dataDir = null)
{
# Create an instance of Presentation class
$pres = new Presentation();
# Setting View Properties of Presentation
#pres.getViewProperties().getSlideViewProperties().setScale(50) # zoom value in percentages for slide view
$pres->getViewProperties()->getNotesViewProperties()->setScale(50);
# .Scale = 50; //zoom value in percentages for notes view
# Save the presentation as a PPTX file
$save_format = new SaveFormat();
$pres->save($dataDir . "Zoom.pptx", $save_format->Pptx);
print "Set zoom value, please check the output file.";
}
