PHPPresentation lose styling when we copy from particular path and saving new pptx

问题

I have search around google regarding PHPPresentation but nothing found. I know this type of question already asked (PHPOffice PHPPresentation lose original styling on saving pptx) and i have checked the answer of this particular question (https://github.com/PHPOffice/PHPPresentation/issues/161)

I have done according to above answer but its not working at all. Here is my below code:-

$templatepath = public_path('images/samples/sample.pptx');
$pptReader = IOFactory::createReader('PowerPoint2007');
$oPHPPresentation = $pptReader->load("$templatepath");
//save pptx
$xmlWriter = IOFactory::createWriter($oPHPPresentation, 'PowerPoint2007');
$newsamplepath = storage_path('app/public/ppts/sample'.str_random(5).'.pptx');
$xmlWriter->save($newsamplepath);

My sample.pptx looks like below:-

Output coming like below:-

Can anyone help me how to resolve this issue.

来源：https://stackoverflow.com/questions/54902336/phppresentation-lose-styling-when-we-copy-from-particular-path-and-saving-new-pp