01 Simple

15:19:36 Create new Spreadsheet object
15:19:36 Set document properties
15:19:36 Add some data
15:19:36 Rename worksheet
15:19:36 Write Excel2007 format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0147 seconds
15:19:36 Write Excel5 format to /tmp/phpspreadsheet/01_Simple.xls in 0.0097 seconds
15:19:36 Peak memory usage: 6MB