01 Simple

14:25:33 Create new Spreadsheet object
14:25:33 Set document properties
14:25:33 Add some data
14:25:33 Rename worksheet
14:25:33 Write Excel2007 format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0026 seconds
14:25:33 Write Excel5 format to /tmp/phpspreadsheet/01_Simple.xls in 0.0047 seconds
14:25:33 Peak memory usage: 1.5MB