03:26:55 Create new PHPExcel object<br />03:26:55 Set document properties<br />03:26:55 Add some data<br />03:26:55 Rename worksheet<br />03:26:55 Write to Excel2007 format<br />03:26:55 File written to 01simplePCLZip.xlsx<br />Call time to write Workbook was 0.0169 seconds<br />03:26:55 Current memory usage: 2.5 MB<br />03:26:55 Peak memory usage: 3 MB<br />03:26:55 Done writing files<br />Files have been created in /var/www/yii2/vendor/phpoffice/phpexcel/Examples<br />