01 Simple

12:16:37 Create new Spreadsheet object
12:16:37 Set document properties
12:16:37 Add some data
12:16:37 Rename worksheet
12:16:37 Write Excel2007 format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0031 seconds
12:16:37 Write Excel5 format to /tmp/phpspreadsheet/01_Simple.xls in 0.0167 seconds
12:16:37 Peak memory usage: 6MB