01 Simple

03:53:46 Create new Spreadsheet object
03:53:46 Set document properties
03:53:46 Add some data
03:53:46 Rename worksheet
03:53:46 Write Excel2007 format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0042 seconds
03:53:46 Write Excel5 format to /tmp/phpspreadsheet/01_Simple.xls in 0.0157 seconds
03:53:46 Peak memory usage: 5.75MB