01 Simple

12:33:59 Create new Spreadsheet object
12:33:59 Set document properties
12:33:59 Add some data
12:33:59 Rename worksheet
12:33:59 Write Xlsx format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0030 seconds
12:33:59 Write Xls format to /tmp/phpspreadsheet/01_Simple.xls in 0.0031 seconds
12:33:59 Peak memory usage: 2MB