19:26:11 Create new PHPExcel object<br />19:26:11 Set document properties<br />19:26:11 Add some data<br />19:26:11 Rename worksheet<br />19:26:11 Write to Excel2007 format<br />19:26:11 File written to 01simple.xlsx<br />Call time to write Workbook was 0.0113 seconds<br />19:26:11 Current memory usage: 4 MB<br />19:26:11 Write to Excel5 format<br />19:26:11 File written to 01simple.xls<br />Call time to write Workbook was 0.0093 seconds<br />19:26:11 Current memory usage: 6 MB<br />19:26:11 Peak memory usage: 6 MB<br />19:26:11 Done writing files<br />Files have been created in /var/www/mail_center/vendor/phpoffice/phpexcel/Examples<br />