01 Simple

20:23:18 Create new Spreadsheet object
20:23:18 Set document properties
20:23:18 Add some data
20:23:18 Rename worksheet
20:23:18 Write Excel2007 format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0035 seconds
20:23:18 Write Excel5 format to /tmp/phpspreadsheet/01_Simple.xls in 0.0088 seconds
20:23:18 Peak memory usage: 6MB