01 Simple

19:30:28 Create new Spreadsheet object
19:30:28 Set document properties
19:30:28 Add some data
19:30:28 Rename worksheet
19:30:28 Write Excel2007 format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0035 seconds
19:30:28 Write Excel5 format to /tmp/phpspreadsheet/01_Simple.xls in 0.0086 seconds
19:30:28 Peak memory usage: 6MB