01 Simple

15:47:47 Create new Spreadsheet object
15:47:47 Set document properties
15:47:47 Add some data
15:47:47 Rename worksheet
15:47:47 Write Excel2007 format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0063 seconds
15:47:48 Write Excel5 format to /tmp/phpspreadsheet/01_Simple.xls in 0.0320 seconds
15:47:48 Peak memory usage: 6MB