11:23:00 Create new PHPExcel object<br />11:23:00 Set document properties<br />11:23:00 Add some data<br />11:23:00 Rename worksheet<br />11:23:00 Set cell protection<br />11:23:00 Set sheet security<br />11:23:00 Write to Excel2007 format<br />11:23:00 File written to 12cellProtection.xlsx<br />Call time to write Workbook was 0.0031 seconds<br />11:23:00 Current memory usage: 2 MB<br />11:23:00 Peak memory usage: 2 MB<br />11:23:00 Done writing file<br />File has been created in /home/hycmvsgn/heal.co.ke/invoices/vendor/phpoffice/phpexcel/Examples<br />