22 Heavily formatted

15:37:09 Create new Spreadsheet object
15:37:09 Set document properties
15:37:09 Add some data
15:37:09 Write Xlsx format to /tmp/phpspreadsheet/22_Heavily_formatted.xlsx in 0.0176 seconds
15:37:09 Write Xls format to /tmp/phpspreadsheet/22_Heavily_formatted.xls in 0.0142 seconds
15:37:09 Peak memory usage: 4MB