01 Simple

18:34:23 Create new Spreadsheet object
18:34:23 Set document properties
18:34:23 Add some data
18:34:23 Rename worksheet
18:34:23 Write Excel2007 format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0028 seconds
18:34:23 Write Excel5 format to /tmp/phpspreadsheet/01_Simple.xls in 0.0065 seconds
18:34:23 Peak memory usage: 6MB