12:10:54 Create new PHPExcel object<br />12:10:54 Set document properties<br />12:10:54 Add some data<br />12:10:54 Rename worksheet<br />12:10:54 Write to Excel2007 format<br />12:10:54 File written to 01simple.xlsx<br />Call time to write Workbook was 0.0087 seconds<br />12:10:54 Current memory usage: 4 MB<br />12:10:54 Write to Excel5 format<br />12:10:54 File written to 01simple.xls<br />Call time to write Workbook was 0.0128 seconds<br />12:10:54 Current memory usage: 6 MB<br />12:10:54 Peak memory usage: 6 MB<br />12:10:54 Done writing files<br />Files have been created in /var/www/html/examcontroller-web/vendor/phpoffice/phpexcel/Examples<br />