11:51:55 Create new PHPExcel object
11:51:55 Set document properties
11:51:55 Add some data
11:51:55 Rename worksheet
11:51:55 Set document security
11:51:55 Set sheet security
11:51:55 Write to Excel2007 format
11:51:55 File written to 11documentsecurity.xlsx
Call time to write Workbook was 0.0048 seconds
11:51:55 Current memory usage: 1.75 MB
11:51:55 Peak memory usage: 1.75 MB
11:51:55 Done writing file
File has been created in /var/www/dolphin/vendor/phpoffice/phpexcel/Examples