01 Simple

11:29:55 Create new Spreadsheet object
11:29:55 Set document properties
11:29:55 Add some data
11:29:55 Rename worksheet
11:29:55 Write Xlsx format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0023 seconds
11:29:55 Write Xls format to /tmp/phpspreadsheet/01_Simple.xls in 0.0026 seconds
11:29:55 Peak memory usage: 2MB