01 Simple

14:27:54 Create new Spreadsheet object
14:27:54 Set document properties
14:27:54 Add some data
14:27:54 Rename worksheet
14:27:54 Write Xlsx format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0055 seconds
14:27:54 Write Xls format to /tmp/phpspreadsheet/01_Simple.xls in 0.0017 seconds
14:27:54 Peak memory usage: 2MB