22 Heavily formatted

10:17:41 Create new Spreadsheet object
10:17:41 Set document properties
10:17:41 Add some data
10:17:41 Write Xlsx format to /tmp/phpspreadsheet/22_Heavily_formatted.xlsx in 0.1358 seconds
10:17:41 Write Xls format to /tmp/phpspreadsheet/22_Heavily_formatted.xls in 0.1329 seconds
10:17:41 Peak memory usage: 4.75MB