01 Simple

11:50:35 Create new Spreadsheet object
11:50:35 Set document properties
11:50:35 Add some data
11:50:35 Rename worksheet
11:50:35 Write Excel2007 format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0026 seconds
11:50:35 Write Excel5 format to /tmp/phpspreadsheet/01_Simple.xls in 0.0064 seconds
11:50:35 Peak memory usage: 6MB