00:23:02 Create new PHPExcel object<br />00:23:02 Set document properties<br />00:23:02 Add some data<br />00:23:02 Rename worksheet<br />00:23:02 Write to Excel2007 format<br />00:23:02 File written to 01simple.xlsx<br />Call time to write Workbook was 0.0084 seconds<br />00:23:02 Current memory usage: 1.5 MB<br />00:23:02 Write to Excel5 format<br />00:23:02 File written to 01simple.xls<br />Call time to write Workbook was 0.0018 seconds<br />00:23:02 Current memory usage: 2 MB<br />00:23:02 Peak memory usage: 2 MB<br />00:23:02 Done writing files<br />Files have been created in /var/www/yii2/vendor/phpoffice/phpexcel/Examples<br />