21:01:02 Create new PHPExcel object<br />21:01:02 Set document properties<br />21:01:02 Add some data<br />21:01:02 Rename worksheet<br />21:01:02 Set cell protection<br />21:01:02 Set sheet security<br />21:01:02 Write to Excel2007 format<br />21:01:02 File written to 12cellProtection.xlsx<br />Call time to write Workbook was 0.0017 seconds<br />21:01:02 Current memory usage: 1.5 MB<br />21:01:02 Peak memory usage: 1.5 MB<br />21:01:02 Done writing file<br />File has been created in /var/www/chFinance/vendor/phpoffice/phpexcel/Examples<br />