23:23:08 Create new PHPExcel object<br />23:23:08 Set document properties<br />23:23:08 Add some data<br />23:23:08 Rename worksheet<br />23:23:08 Write to Excel2007 format<br />23:23:08 File written to 01simple.xlsx<br />Call time to write Workbook was 0.0253 seconds<br />23:23:08 Current memory usage: 1.5 MB<br />23:23:08 Write to Excel5 format<br />23:23:08 File written to 01simple.xls<br />Call time to write Workbook was 0.0239 seconds<br />23:23:08 Current memory usage: 2 MB<br />23:23:08 Peak memory usage: 2 MB<br />23:23:08 Done writing files<br />Files have been created in /var/www/html/vendor/phpoffice/phpexcel/Examples<br />