20:34:18 Write to Excel2007 format<br />20:34:18 File written to 33chartcreate-multiple-charts.xlsx<br />20:34:18 Peak memory usage: 6.75 MB<br />20:34:18 Done writing file<br />File has been created in /mnt/external-drives/mb-oracle-bv3/html-produccion/serproingt/mbinv/vendor/phpoffice/phpexcel/Examples<br />