01 Simple

20:02:40 Create new Spreadsheet object
20:02:40 Set document properties
20:02:40 Add some data
20:02:40 Rename worksheet
20:02:40 Write Excel2007 format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0043 seconds
20:02:40 Write Excel5 format to /tmp/phpspreadsheet/01_Simple.xls in 0.0092 seconds
20:02:40 Peak memory usage: 5.75MB