13:54:21 Create new PHPExcel object<br />13:54:21 Set document properties<br />13:54:21 Add some data<br />13:54:21 Rename worksheet<br />13:54:21 Set cell protection<br />13:54:21 Set sheet security<br />13:54:21 Write to Excel2007 format<br />13:54:21 File written to 12cellProtection.xlsx<br />Call time to write Workbook was 0.0071 seconds<br />13:54:21 Current memory usage: 4 MB<br />13:54:21 Peak memory usage: 4 MB<br />13:54:21 Done writing file<br />File has been created in /var/www/html/examcontroller-web/vendor/phpoffice/phpexcel/Examples<br />