14:01:45 Create new PHPExcel object<br />14:01:45 Set document properties<br />14:01:45 Add some data<br />14:01:45 Rename worksheet<br />14:01:45 Write to Excel2007 format<br />14:01:45 File written to 42richText.xlsx<br />Call time to write Workbook was 0.0147 seconds<br />14:01:45 Current memory usage: 6.25 MB<br />14:01:45 Write to Excel5 format<br />14:01:45 File written to 42richText.xls<br />Call time to write Workbook was 0.0237 seconds<br />14:01:45 Current memory usage: 8.75 MB<br />14:01:45 Peak memory usage: 8.75 MB<br />14:01:45 Done writing files<br />Files have been created in /var/www/yii2/vendor/phpoffice/phpexcel/Examples<br />