01 Simple

14:15:37 Create new Spreadsheet object
14:15:37 Set document properties
14:15:37 Add some data
14:15:37 Rename worksheet
14:15:37 Write Xlsx format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0031 seconds
14:15:37 Write Xls format to /tmp/phpspreadsheet/01_Simple.xls in 0.0024 seconds
14:15:37 Peak memory usage: 2MB