22 Heavily formatted

20:02:46 Create new Spreadsheet object
20:02:46 Set document properties
20:02:46 Add some data
20:02:46 Write Xlsx format to /tmp/phpspreadsheet/22_Heavily_formatted.xlsx in 0.0258 seconds
20:02:46 Write Xls format to /tmp/phpspreadsheet/22_Heavily_formatted.xls in 0.0196 seconds
20:02:46 Peak memory usage: 18MB