08:25:09 Write to Excel2007 format<br />08:25:09 File written to 33chartcreate-multiple-charts.xlsx<br />08:25:09 Peak memory usage: 2 MB<br />08:25:09 Done writing file<br />File has been created in C:\NTBMWork\netterminalmanage\netterminalmanage\vendor\phpoffice\phpexcel\Examples<br />