01 Simple

09:30:01 Create new Spreadsheet object
09:30:01 Set document properties
09:30:01 Add some data
09:30:01 Rename worksheet
09:30:01 Write Excel2007 format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0036 seconds
09:30:01 Write Excel5 format to /tmp/phpspreadsheet/01_Simple.xls in 0.0047 seconds
09:30:01 Peak memory usage: 1.5MB