01 Simple

19:40:55 Create new Spreadsheet object
19:40:55 Set document properties
19:40:55 Add some data
19:40:55 Rename worksheet
19:40:55 Write Excel2007 format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0032 seconds
19:40:55 Write Excel5 format to /tmp/phpspreadsheet/01_Simple.xls in 0.0083 seconds
19:40:55 Peak memory usage: 6MB