23:57:48 Write to Excel2007 format<br />23:57:48 File written to 33chartcreate-multiple-charts.xlsx<br />23:57:48 Peak memory usage: 4 MB<br />23:57:48 Done writing file<br />File has been created in C:\xampp\htdocs\oa-OLD\vendor\phpoffice\phpexcel\Examples<br />