19:20:59 Create new PHPExcel object<br />19:20:59 Set document properties<br />19:20:59 Add some data<br />19:20:59 Rename worksheet<br />19:20:59 Write to Excel2007 format<br />19:20:59 File written to 01simplePCLZip.xlsx<br />Call time to write Workbook was 0.0050 seconds<br />19:20:59 Current memory usage: 1.75 MB<br />19:20:59 Peak memory usage: 2.25 MB<br />19:20:59 Done writing files<br />Files have been created in /var/www/yii2/vendor/phpoffice/phpexcel/Examples<br />