removeNotesSlide

require_once 'classes/CreatePptx.php';

$pptx = new CreatePptx();

// set the first slide as the internal active slide
$pptx->setActiveSlide(array('position' => 0));
// remove notes from the internal active slide
$pptx->removeNotesSlide();

// set the second slide as the internal active slide
$pptx->setActiveSlide(array('position' => 1));
// remove notes from the internal active slide
$pptx->removeNotesSlide();

$pptx->savePptx('output');

Release notes

phppptx 3.0:
- new method.