17:29:50 Create new PHPExcel object<br />17:29:50 Set document properties<br />17:29:50 Add some data<br />17:29:50 Write to Excel2007 format<br />17:29:50 File written to 22heavilyformatted.xlsx<br />Call time to write Workbook was 0.0331 seconds<br />17:29:50 Current memory usage: 7.75 MB<br />17:29:50 Write to Excel5 format<br />17:29:50 File written to 22heavilyformatted.xls<br />Call time to write Workbook was 0.0446 seconds<br />17:29:50 Current memory usage: 10 MB<br />17:29:50 Peak memory usage: 10 MB<br />17:29:50 Done writing file<br />File has been created in /var/www/yii2/vendor/phpoffice/phpexcel/Examples<br />