17:24:56 Create new PHPExcel object<br />17:24:56 Set document properties<br />17:24:56 Add some data<br />17:24:56 Rename worksheet<br />17:24:56 Write to Excel2007 format<br />17:24:56 File written to 01simplePCLZip.xlsx<br />Call time to write Workbook was 0.0176 seconds<br />17:24:56 Current memory usage: 7 MB<br />17:24:56 Peak memory usage: 7.5 MB<br />17:24:56 Done writing files<br />Files have been created in /var/www/yii2/vendor/phpoffice/phpexcel/Examples<br />