20:42:50 Create new PHPExcel object<br />20:42:50 Set document properties<br />20:42:50 Add some data<br />20:42:50 Rename worksheet<br />20:42:50 Write to Excel2007 format<br />20:42:50 File written to 01simple.xlsx<br />Call time to write Workbook was 0.0106 seconds<br />20:42:50 Current memory usage: 6 MB<br />20:42:50 Write to Excel5 format<br />20:42:50 File written to 01simple.xls<br />Call time to write Workbook was 0.0098 seconds<br />20:42:50 Current memory usage: 8 MB<br />20:42:50 Peak memory usage: 8 MB<br />20:42:50 Done writing files<br />Files have been created in /var/www/mail_center/vendor/phpoffice/phpexcel/Examples<br />