01 Simple

21:28:53 Create new Spreadsheet object
21:28:53 Set document properties
21:28:53 Add some data
21:28:53 Rename worksheet
21:28:53 Write Excel2007 format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0038 seconds
21:28:53 Write Excel5 format to /tmp/phpspreadsheet/01_Simple.xls in 0.0090 seconds
21:28:53 Peak memory usage: 6MB