22 Heavily formatted

14:29:12 Create new Spreadsheet object
14:29:12 Set document properties
14:29:12 Add some data
14:29:12 Write Xlsx format to /tmp/phpspreadsheet/22_Heavily_formatted.xlsx in 0.0150 seconds
14:29:12 Write Xls format to /tmp/phpspreadsheet/22_Heavily_formatted.xls in 0.0161 seconds
14:29:12 Peak memory usage: 10MB