01 Simple

21:50:08 Create new Spreadsheet object
21:50:08 Set document properties
21:50:08 Add some data
21:50:08 Rename worksheet
21:50:08 Write Xlsx format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0015 seconds
21:50:08 Write Xls format to /tmp/phpspreadsheet/01_Simple.xls in 0.0007 seconds
21:50:08 Peak memory usage: 2MB