22 Heavily formatted

16:37:17 Create new Spreadsheet object
16:37:17 Set document properties
16:37:17 Add some data
16:37:17 Write Xlsx format to /tmp/phpspreadsheet/22_Heavily_formatted.xlsx in 0.0170 seconds
16:37:17 Write Xls format to /tmp/phpspreadsheet/22_Heavily_formatted.xls in 0.0179 seconds
16:37:17 Peak memory usage: 8MB