14:00:55 Create new PHPExcel object<br />14:00:55 Set document properties<br />14:00:55 Add some data<br />14:00:55 Rename worksheet<br />14:00:55 Write to Excel2007 format<br />14:00:55 File written to 01simplePCLZip.xlsx<br />Call time to write Workbook was 0.1798 seconds<br />14:00:55 Current memory usage: 7 MB<br />14:00:55 Peak memory usage: 7.5 MB<br />14:00:55 Done writing files<br />Files have been created in /var/www/yii2/vendor/phpoffice/phpexcel/Examples<br />