09:28:38 Create new PHPExcel object<br />09:28:38 Set document properties<br />09:28:38 Add some data<br />09:28:38 Rename worksheet<br />09:28:38 Set cell protection<br />09:28:38 Set sheet security<br />09:28:38 Write to Excel2007 format<br />09:28:38 File written to 12cellProtection.xlsx<br />Call time to write Workbook was 0.0176 seconds<br />09:28:38 Current memory usage: 6 MB<br />09:28:38 Peak memory usage: 6 MB<br />09:28:38 Done writing file<br />File has been created in /var/www/html/laravel/vendor/phpoffice/phpexcel/Examples<br />