01 Simple

20:54:38 Create new Spreadsheet object
20:54:38 Set document properties
20:54:38 Add some data
20:54:38 Rename worksheet
20:54:38 Write Xlsx format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0035 seconds
20:54:38 Write Xls format to /tmp/phpspreadsheet/01_Simple.xls in 0.0077 seconds
20:54:38 Peak memory usage: 2MB