01 Simple

13:49:51 Create new Spreadsheet object
13:49:51 Set document properties
13:49:51 Add some data
13:49:51 Rename worksheet
13:49:51 Write Excel2007 format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0039 seconds
13:49:51 Write Excel5 format to /tmp/phpspreadsheet/01_Simple.xls in 0.0094 seconds
13:49:51 Peak memory usage: 5.75MB