01 Simple

12:35:04 Create new Spreadsheet object
12:35:04 Set document properties
12:35:04 Add some data
12:35:04 Rename worksheet
12:35:04 Write Xlsx format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0016 seconds
12:35:04 Write Xls format to /tmp/phpspreadsheet/01_Simple.xls in 0.0014 seconds
12:35:04 Peak memory usage: 2MB