19:49:58 Create new PHPExcel object<br />19:49:58 Set document properties<br />19:49:58 Add some data<br />19:49:58 Rename worksheet<br />19:49:58 Set document security<br />19:49:58 Set sheet security<br />19:49:58 Write to Excel2007 format<br />19:49:58 File written to 11documentsecurity.xlsx<br />Call time to write Workbook was 0.0101 seconds<br />19:49:58 Current memory usage: 6 MB<br />19:49:58 Peak memory usage: 6 MB<br />19:49:58 Done writing file<br />File has been created in /var/www/mail_center/vendor/phpoffice/phpexcel/Examples<br />