14:02:53 Create new PHPExcel object<br />14:02:53 Set document properties<br />14:02:53 Add some data<br />14:02:53 Write to Excel2007 format<br />14:02:53 File written to 22heavilyformatted.xlsx<br />Call time to write Workbook was 0.0335 seconds<br />14:02:53 Current memory usage: 7.75 MB<br />14:02:53 Write to Excel5 format<br />14:02:53 File written to 22heavilyformatted.xls<br />Call time to write Workbook was 0.0459 seconds<br />14:02:53 Current memory usage: 10 MB<br />14:02:53 Peak memory usage: 10 MB<br />14:02:53 Done writing file<br />File has been created in /var/www/yii2/vendor/phpoffice/phpexcel/Examples<br />