01 Simple

22:19:58 Create new Spreadsheet object
22:19:58 Set document properties
22:19:58 Add some data
22:19:58 Rename worksheet
22:19:58 Write Xlsx format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0058 seconds
22:19:58 Write Xls format to /tmp/phpspreadsheet/01_Simple.xls in 0.0249 seconds
22:19:58 Peak memory usage: 10MB