01 Simple

09:26:21 Create new Spreadsheet object
09:26:21 Set document properties
09:26:21 Add some data
09:26:21 Rename worksheet
09:26:21 Write Excel2007 format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0028 seconds
09:26:21 Write Excel5 format to /tmp/phpspreadsheet/01_Simple.xls in 0.0066 seconds
09:26:21 Peak memory usage: 6MB