01 Simple

18:17:24 Create new Spreadsheet object
18:17:24 Set document properties
18:17:24 Add some data
18:17:24 Rename worksheet
18:17:24 Write Excel2007 format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0037 seconds
18:17:24 Write Excel5 format to /tmp/phpspreadsheet/01_Simple.xls in 0.0093 seconds
18:17:24 Peak memory usage: 6MB