01 Simple

16:46:54 Create new Spreadsheet object
16:46:54 Set document properties
16:46:54 Add some data
16:46:54 Rename worksheet
16:46:54 Write Excel2007 format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0038 seconds
16:46:54 Write Excel5 format to /tmp/phpspreadsheet/01_Simple.xls in 0.0090 seconds
16:46:54 Peak memory usage: 6MB