15:15:05 Write to Excel2007 format<br />15:15:05 File written to 33chartcreate-multiple-charts.xlsx<br />15:15:05 Peak memory usage: 6 MB<br />15:15:05 Done writing file<br />File has been created in /home/corpubc/public_html/SistemUBC/vendor/phpoffice/phpexcel/Examples<br />