01 Simple

22:50:40 Create new Spreadsheet object
22:50:40 Set document properties
22:50:40 Add some data
22:50:40 Rename worksheet
22:50:40 Write Excel2007 format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0028 seconds
22:50:40 Write Excel5 format to /tmp/phpspreadsheet/01_Simple.xls in 0.0103 seconds
22:50:40 Peak memory usage: 6MB