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Hello,

A merging class is available in the current testing branch and will be included in the next stable release of phppptx (there's no release date). This new feature is fully tested and working.

If you purchase a license (Advanced or Premium), please send a message to contact[at]phpdocx.com and we'll send you the new class.

A sample merging PPTX files:

require_once 'classes/MergePptx.php';

$pptx = new MergePptx();
$pptx->merge(array('file1.pptx', 'file2.pptx', 'file3.pptx'), 'output_merged.pptx');

There's no limit on the number of PPTX files to be merged.

Regards.

That's good to know, thank you.

Could you provide any additional detail on what the output of the merge woud be like? For example, how does the class handle the possiblity that each merging file may have different layouts or themes?

Hello,

layouts, themes, masters, handouts, sections, and many other content types are supported when merging the PPTX files.

This is the description of the method:

The merging process preserves all contents without internal/external dependencies: slides, paragraphs, tables, lists, text boxes, shapes...

The merging process also preserves the following contents that include internal/external dependencies:

- styles
- images
- charts
- links
- sections
- audios
- videos
- notes
- comments
- layouts
- handouts
- masters
- themes

If you send some PPTX files to contact[at]phpdocx.com, we'll send the output back after merging them, so you can check the output quality.

Regards.