01 Simple

03:09:18 Create new Spreadsheet object
03:09:18 Set document properties
03:09:18 Add some data
03:09:18 Rename worksheet
03:09:18 Write Xlsx format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0026 seconds
03:09:18 Write Xls format to /tmp/phpspreadsheet/01_Simple.xls in 0.0102 seconds
03:09:18 Peak memory usage: 8MB