12:37:30 Create new PHPExcel object<br />12:37:30 Set document properties<br />12:37:30 Add some data<br />12:37:30 Rename worksheet<br />12:37:30 Write to Excel2007 format<br />12:37:30 File written to 01simple.xlsx<br />Call time to write Workbook was 0.0036 seconds<br />12:37:30 Current memory usage: 2 MB<br />12:37:30 Write to Excel5 format<br />12:37:30 File written to 01simple.xls<br />Call time to write Workbook was 0.0281 seconds<br />12:37:30 Current memory usage: 4 MB<br />12:37:30 Peak memory usage: 4 MB<br />12:37:30 Done writing files<br />Files have been created in /var/www/html/vendor/phpoffice/phpexcel/Examples<br />