01 Simple

04:04:13 Create new Spreadsheet object
04:04:13 Set document properties
04:04:13 Add some data
04:04:13 Rename worksheet
04:04:13 Write Excel2007 format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0042 seconds
04:04:13 Write Excel5 format to /tmp/phpspreadsheet/01_Simple.xls in 0.0810 seconds
04:04:13 Peak memory usage: 6MB