01 Simple

11:43:07 Create new Spreadsheet object
11:43:07 Set document properties
11:43:07 Add some data
11:43:07 Rename worksheet
11:43:07 Write Excel2007 format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0038 seconds
11:43:07 Write Excel5 format to /tmp/phpspreadsheet/01_Simple.xls in 0.0087 seconds
11:43:07 Peak memory usage: 5.75MB