22 Heavily formatted

02:42:02 Create new Spreadsheet object
02:42:02 Set document properties
02:42:02 Add some data
02:42:02 Write Xlsx format to /tmp/phpspreadsheet/22_Heavily_formatted.xlsx in 0.0187 seconds
02:42:02 Write Xls format to /tmp/phpspreadsheet/22_Heavily_formatted.xls in 0.0183 seconds
02:42:02 Peak memory usage: 8MB