21:35:06 Write to Excel2007 format<br />21:35:06 File written to 33chartcreate-bar-stacked.xlsx<br />21:35:06 Peak memory usage: 7.75 MB<br />21:35:06 Done writing file<br />File has been created in /home/imfmm/public_html/application/formation-professionnelle/vendor/phpoffice/phpexcel/Examples<br />