01 Simple

12:24:12 Create new Spreadsheet object
12:24:12 Set document properties
12:24:12 Add some data
12:24:12 Rename worksheet
12:24:12 Write Xlsx format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0094 seconds
12:24:12 Write Xls format to /tmp/phpspreadsheet/01_Simple.xls in 0.0348 seconds
12:24:12 Peak memory usage: 10MB