22 Heavily formatted

07:05:09 Create new Spreadsheet object
07:05:09 Set document properties
07:05:09 Add some data
07:05:09 Write Xlsx format to /tmp/phpspreadsheet/22_Heavily_formatted.xlsx in 0.0445 seconds
07:05:09 Write Xls format to /tmp/phpspreadsheet/22_Heavily_formatted.xls in 0.0502 seconds
07:05:09 Peak memory usage: 10MB