01 Simple

04:40:43 Create new Spreadsheet object
04:40:43 Set document properties
04:40:43 Add some data
04:40:43 Rename worksheet
04:40:43 Write Excel2007 format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0028 seconds
04:40:43 Write Excel5 format to /tmp/phpspreadsheet/01_Simple.xls in 0.0178 seconds
04:40:43 Peak memory usage: 6MB