01 Simple

11:13:38 Create new Spreadsheet object
11:13:38 Set document properties
11:13:38 Add some data
11:13:38 Rename worksheet
11:13:38 Write Excel2007 format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0052 seconds
11:13:38 Write Excel5 format to /tmp/phpspreadsheet/01_Simple.xls in 0.0166 seconds
11:13:38 Peak memory usage: 6MB