01:14:54 Create new PHPExcel object<br />01:14:54 Set document properties<br />01:14:54 Add some data<br />01:14:54 Rename worksheet<br />01:14:54 Write to Excel2007 format<br />01:14:54 File written to 01simple.xlsx<br />Call time to write Workbook was 0.0074 seconds<br />01:14:54 Current memory usage: 1.5 MB<br />01:14:54 Write to Excel5 format<br />01:14:54 File written to 01simple.xls<br />Call time to write Workbook was 0.0187 seconds<br />01:14:54 Current memory usage: 2 MB<br />01:14:54 Peak memory usage: 2 MB<br />01:14:54 Done writing files<br />Files have been created in /var/www/yii2/vendor/phpoffice/phpexcel/Examples<br />