22 Heavily formatted

10:06:19 Create new Spreadsheet object
10:06:19 Set document properties
10:06:19 Add some data
10:06:19 Write Xlsx format to /tmp/phpspreadsheet/22_Heavily_formatted.xlsx in 0.0660 seconds
10:06:19 Write Xls format to /tmp/phpspreadsheet/22_Heavily_formatted.xls in 0.0691 seconds
10:06:19 Peak memory usage: 6MB