08:30:34 Create new PHPExcel object<br />08:30:34 Set document properties<br />08:30:34 Add some data<br />08:30:34 Rename worksheet<br />08:30:34 Write to Excel2007 format<br />08:30:34 File written to 01simple.xlsx<br />Call time to write Workbook was 0.0085 seconds<br />08:30:34 Current memory usage: 1.5 MB<br />08:30:34 Write to Excel5 format<br />08:30:34 File written to 01simple.xls<br />Call time to write Workbook was 0.0046 seconds<br />08:30:34 Current memory usage: 2 MB<br />08:30:34 Peak memory usage: 2 MB<br />08:30:34 Done writing files<br />Files have been created in /var/www/yii2/vendor/phpoffice/phpexcel/Examples<br />