01 Simple

14:25:22 Create new Spreadsheet object
14:25:22 Set document properties
14:25:22 Add some data
14:25:22 Rename worksheet
14:25:22 Write Excel2007 format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0034 seconds
14:25:22 Write Excel5 format to /tmp/phpspreadsheet/01_Simple.xls in 0.0069 seconds
14:25:22 Peak memory usage: 6MB