01 Simple

12:42:37 Create new Spreadsheet object
12:42:37 Set document properties
12:42:37 Add some data
12:42:37 Rename worksheet
12:42:37 Write Xlsx format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0104 seconds
12:42:37 Write Xls format to /tmp/phpspreadsheet/01_Simple.xls in 0.0336 seconds
12:42:37 Peak memory usage: 10MB