12:10:57 Create new PHPExcel object<br />12:10:57 Set document properties<br />12:10:57 Add some data<br />12:10:57 Rename worksheet<br />12:10:57 Set cell protection<br />12:10:57 Set sheet security<br />12:10:57 Write to Excel2007 format<br />12:10:57 File written to 12cellProtection.xlsx<br />Call time to write Workbook was 0.0102 seconds<br />12:10:57 Current memory usage: 2 MB<br />12:10:57 Peak memory usage: 2 MB<br />12:10:57 Done writing file<br />File has been created in /var/www/html/examcontroller-web/vendor/phpoffice/phpexcel/Examples<br />