01 Simple

18:05:22 Create new Spreadsheet object
18:05:22 Set document properties
18:05:22 Add some data
18:05:22 Rename worksheet
18:05:22 Write Xlsx format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0033 seconds
18:05:22 Write Xls format to /tmp/phpspreadsheet/01_Simple.xls in 0.0022 seconds
18:05:22 Peak memory usage: 2MB