22 Heavily formatted

05:54:08 Create new Spreadsheet object
05:54:08 Set document properties
05:54:08 Add some data
05:54:08 Write Xlsx format to /tmp/phpspreadsheet/22_Heavily_formatted.xlsx in 0.0146 seconds
05:54:08 Write Xls format to /tmp/phpspreadsheet/22_Heavily_formatted.xls in 0.0155 seconds
05:54:08 Peak memory usage: 10MB