22 Heavily formatted

05:07:05 Create new Spreadsheet object
05:07:05 Set document properties
05:07:05 Add some data
05:07:05 Write Xlsx format to /tmp/phpspreadsheet/22_Heavily_formatted.xlsx in 0.0277 seconds
05:07:05 Write Xls format to /tmp/phpspreadsheet/22_Heavily_formatted.xls in 0.0408 seconds
05:07:05 Peak memory usage: 4MB