01 Simple

19:16:18 Create new Spreadsheet object
19:16:18 Set document properties
19:16:18 Add some data
19:16:18 Rename worksheet
19:16:18 Write Xlsx format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0040 seconds
19:16:18 Write Xls format to /tmp/phpspreadsheet/01_Simple.xls in 0.0028 seconds
19:16:18 Peak memory usage: 2MB