19:00:15 Create new PHPExcel object<br />19:00:15 Set document properties<br />19:00:15 Add some data<br />19:00:15 Rename worksheet<br />19:00:15 Set document security<br />19:00:15 Set sheet security<br />19:00:15 Write to Excel2007 format<br />19:00:15 File written to 11documentsecurity.xlsx<br />Call time to write Workbook was 0.0095 seconds<br />19:00:15 Current memory usage: 4 MB<br />19:00:15 Peak memory usage: 4 MB<br />19:00:15 Done writing file<br />File has been created in /home/hycmvsgn/heal.co.ke/invoices/vendor/phpoffice/phpexcel/Examples<br />