22 Heavily formatted

15:46:01 Create new Spreadsheet object
15:46:01 Set document properties
15:46:01 Add some data
15:46:01 Write Xlsx format to /tmp/phpspreadsheet/22_Heavily_formatted.xlsx in 0.0171 seconds
15:46:01 Write Xls format to /tmp/phpspreadsheet/22_Heavily_formatted.xls in 0.0184 seconds
15:46:01 Peak memory usage: 8MB