01 Simple

03:30:09 Create new Spreadsheet object
03:30:09 Set document properties
03:30:09 Add some data
03:30:09 Rename worksheet
03:30:09 Write Excel2007 format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0021 seconds
03:30:09 Write Excel5 format to /tmp/phpspreadsheet/01_Simple.xls in 0.0020 seconds
03:30:09 Peak memory usage: 1.5MB