01 Simple

22:40:22 Create new Spreadsheet object
22:40:22 Set document properties
22:40:22 Add some data
22:40:22 Rename worksheet
22:40:22 Write Excel2007 format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0037 seconds
22:40:22 Write Excel5 format to /tmp/phpspreadsheet/01_Simple.xls in 0.0107 seconds
22:40:22 Peak memory usage: 6MB