01 Simple

09:46:31 Create new Spreadsheet object
09:46:31 Set document properties
09:46:31 Add some data
09:46:31 Rename worksheet
09:46:31 Write Excel2007 format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0035 seconds
09:46:31 Write Excel5 format to /tmp/phpspreadsheet/01_Simple.xls in 0.0090 seconds
09:46:31 Peak memory usage: 6MB