01 Simple

04:31:55 Create new Spreadsheet object
04:31:55 Set document properties
04:31:55 Add some data
04:31:55 Rename worksheet
04:31:55 Write Excel2007 format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0025 seconds
04:31:55 Write Excel5 format to /tmp/phpspreadsheet/01_Simple.xls in 0.0088 seconds
04:31:55 Peak memory usage: 6MB