19:20:58 Create new PHPExcel object<br />19:20:58 Set document properties<br />19:20:58 Add some data<br />19:20:58 Rename worksheet<br />19:20:58 Write to Excel2007 format<br />19:20:58 File written to 42richText.xlsx<br />Call time to write Workbook was 0.0090 seconds<br />19:20:58 Current memory usage: 2 MB<br />19:20:58 Write to Excel5 format<br />19:20:58 File written to 42richText.xls<br />Call time to write Workbook was 0.0182 seconds<br />19:20:58 Current memory usage: 2.5 MB<br />19:20:58 Peak memory usage: 2.5 MB<br />19:20:58 Done writing files<br />Files have been created in /var/www/yii2/vendor/phpoffice/phpexcel/Examples<br />