01 Simple

21:46:03 Create new Spreadsheet object
21:46:03 Set document properties
21:46:03 Add some data
21:46:03 Rename worksheet
21:46:03 Write Excel2007 format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0032 seconds
21:46:03 Write Excel5 format to /tmp/phpspreadsheet/01_Simple.xls in 0.0089 seconds
21:46:03 Peak memory usage: 6MB