22 Heavily formatted

10:33:02 Create new Spreadsheet object
10:33:02 Set document properties
10:33:02 Add some data
10:33:02 Write Xlsx format to /tmp/phpspreadsheet/22_Heavily_formatted.xlsx in 0.0096 seconds
10:33:02 Write Xls format to /tmp/phpspreadsheet/22_Heavily_formatted.xls in 0.0103 seconds
10:33:02 Peak memory usage: 8MB