10:11:38 Create new PHPExcel object<br />10:11:38 Set document properties<br />10:11:38 Add some data<br />10:11:38 Rename worksheet<br />10:11:38 Write to Excel2007 format<br />10:11:38 File written to 01simple.xlsx<br />Call time to write Workbook was 0.0023 seconds<br />10:11:38 Current memory usage: 1.5 MB<br />10:11:38 Write to Excel5 format<br />10:11:38 File written to 01simple.xls<br />Call time to write Workbook was 0.1508 seconds<br />10:11:38 Current memory usage: 2 MB<br />10:11:38 Peak memory usage: 2 MB<br />10:11:38 Done writing files<br />Files have been created in /var/www/yii2/vendor/phpoffice/phpexcel/Examples<br />