22 Heavily formatted

18:54:03 Create new Spreadsheet object
18:54:03 Set document properties
18:54:03 Add some data
18:54:03 Write Xlsx format to /tmp/phpspreadsheet/22_Heavily_formatted.xlsx in 0.0755 seconds
18:54:03 Write Xls format to /tmp/phpspreadsheet/22_Heavily_formatted.xls in 0.0902 seconds
18:54:03 Peak memory usage: 12MB