01 Simple

21:17:40 Create new Spreadsheet object
21:17:40 Set document properties
21:17:40 Add some data
21:17:40 Rename worksheet
21:17:40 Write Excel2007 format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0049 seconds
21:17:40 Write Excel5 format to /tmp/phpspreadsheet/01_Simple.xls in 0.0110 seconds
21:17:40 Peak memory usage: 6MB