01 Simple

21:26:09 Create new Spreadsheet object
21:26:09 Set document properties
21:26:09 Add some data
21:26:09 Rename worksheet
21:26:09 Write Excel2007 format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0037 seconds
21:26:09 Write Excel5 format to /tmp/phpspreadsheet/01_Simple.xls in 0.0089 seconds
21:26:09 Peak memory usage: 6MB