http://www.tinybutstrong.com/opentbs.php
With OpenTBS you can merge LibreOffice, OpenOffice and Ms Office documents with PHP using the TinyButStrong template engine. Simple use OpenOffice - LibreOffice or Ms Office to edit your templates : DOCX, XLSX, PPTX, ODT, ODS, ODP and other formats. That is the Natural Template philosophy.
Since version 1.10.0, OpenTBS can also read data in workbooks (XLSX and ODS files).
For documentation see http://www.tinybutstrong.com/opentbs.php?doc
For online demo see http://www.tinybutstrong.com/opentbs.php?demo
OpenTBS in on GitHub since version 1.3.2.
OpenTBS versions 1.9.11 or later can be installed with Composer.
The package is "tinybutstrong/opentbs"