18:18:08 Write to Excel2007 format<br />18:18:08 File written to 33chartcreate-bar-stacked.xlsx<br />18:18:08 Peak memory usage: 6.5 MB<br />18:18:08 Done writing file<br />File has been created in /mnt/external-drives/mb-oracle-bv3/html-produccion/demo/mbinv/vendor/phpoffice/phpexcel/Examples<br />