01 Simple

19:59:09 Create new Spreadsheet object
19:59:09 Set document properties
19:59:09 Add some data
19:59:09 Rename worksheet
19:59:09 Write Excel2007 format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0031 seconds
19:59:09 Write Excel5 format to /tmp/phpspreadsheet/01_Simple.xls in 0.0222 seconds
19:59:09 Peak memory usage: 1.5MB