01 Simple

18:05:19 Create new Spreadsheet object
18:05:19 Set document properties
18:05:19 Add some data
18:05:19 Rename worksheet
18:05:19 Write Excel2007 format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0043 seconds
18:05:19 Write Excel5 format to /tmp/phpspreadsheet/01_Simple.xls in 0.0120 seconds
18:05:19 Peak memory usage: 6MB