18:53:13 Create new PHPExcel object<br />18:53:13 Set document properties<br />18:53:13 Add some data<br />18:53:13 Rename worksheet<br />18:53:13 Write to Excel2007 format<br />18:53:13 File written to 42richText.xlsx<br />Call time to write Workbook was 0.0104 seconds<br />18:53:13 Current memory usage: 6 MB<br />18:53:13 Write to Excel5 format<br />18:53:13 File written to 42richText.xls<br />Call time to write Workbook was 0.0111 seconds<br />18:53:13 Current memory usage: 8 MB<br />18:53:13 Peak memory usage: 8 MB<br />18:53:13 Done writing files<br />Files have been created in /var/www/mail_center/vendor/phpoffice/phpexcel/Examples<br />