11:37:19 Write to Excel2007 format<br />11:37:19 File written to 33chartcreate-multiple-charts.xlsx<br />11:37:19 Peak memory usage: 4 MB<br />11:37:19 Done writing file<br />File has been created in C:\xampp\htdocs\oa-OLD\vendor\phpoffice\phpexcel\Examples<br />