22 Heavily formatted

21:55:12 Create new Spreadsheet object
21:55:12 Set document properties
21:55:12 Add some data
21:55:12 Write Xlsx format to /tmp/phpspreadsheet/22_Heavily_formatted.xlsx in 0.0062 seconds
21:55:12 Write Xls format to /tmp/phpspreadsheet/22_Heavily_formatted.xls in 0.0036 seconds
21:55:12 Peak memory usage: 4MB