11:23:43 Create new PHPExcel object<br />11:23:43 Set document properties<br />11:23:43 Add some data<br />11:23:43 Rename worksheet<br />11:23:43 Write to Excel2007 format<br />11:23:43 File written to 01simple.xlsx<br />Call time to write Workbook was 0.0022 seconds<br />11:23:43 Current memory usage: 1.5 MB<br />11:23:43 Write to Excel5 format<br />11:23:43 File written to 01simple.xls<br />Call time to write Workbook was 0.1472 seconds<br />11:23:43 Current memory usage: 2 MB<br />11:23:43 Peak memory usage: 2 MB<br />11:23:43 Done writing files<br />Files have been created in /var/www/yii2/vendor/phpoffice/phpexcel/Examples<br />