07:31:06 Write to Excel2007 format<br />07:31:06 File written to 33chartcreate-multiple-charts.xlsx<br />07:31:06 Peak memory usage: 5.25 MB<br />07:31:06 Done writing file<br />File has been created in C:\phpEnv\www\wft\php\export\PHPExcel\Examples<br />