09:11:06 Write to Excel2007 format<br />09:11:06 File written to 33chartcreate-multiple-charts.xlsx<br />09:11:06 Peak memory usage: 4 MB<br />09:11:06 Done writing file<br />File has been created in /home/imevent/public_html/backup/vendor/phpoffice/phpexcel/Examples<br />