01 Simple

12:25:15 Create new Spreadsheet object
12:25:15 Set document properties
12:25:15 Add some data
12:25:15 Rename worksheet
12:25:15 Write Xlsx format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0026 seconds
12:25:15 Write Xls format to /tmp/phpspreadsheet/01_Simple.xls in 0.0536 seconds
12:25:15 Peak memory usage: 10MB