01 Simple

14:28:04 Create new Spreadsheet object
14:28:04 Set document properties
14:28:04 Add some data
14:28:04 Rename worksheet
14:28:04 Write Excel2007 format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0035 seconds
14:28:04 Write Excel5 format to /tmp/phpspreadsheet/01_Simple.xls in 0.0088 seconds
14:28:04 Peak memory usage: 6MB