01 Simple

11:17:03 Create new Spreadsheet object
11:17:03 Set document properties
11:17:03 Add some data
11:17:03 Rename worksheet
11:17:03 Write Xlsx format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0094 seconds
11:17:03 Write Xls format to /tmp/phpspreadsheet/01_Simple.xls in 0.0515 seconds
11:17:03 Peak memory usage: 10MB