19:26:54 Create new PHPExcel object<br />19:26:54 Set document properties<br />19:26:54 Add some data<br />19:26:54 Write to Excel2007 format<br />19:26:54 File written to 22heavilyformatted.xlsx<br />Call time to write Workbook was 0.0267 seconds<br />19:26:54 Current memory usage: 3.5 MB<br />19:26:54 Write to Excel5 format<br />19:26:54 File written to 22heavilyformatted.xls<br />Call time to write Workbook was 0.0228 seconds<br />19:26:54 Current memory usage: 4 MB<br />19:26:54 Peak memory usage: 4 MB<br />19:26:54 Done writing file<br />File has been created in /var/www/yii2/vendor/phpoffice/phpexcel/Examples<br />