01 Simple

04:45:42 Create new Spreadsheet object
04:45:42 Set document properties
04:45:42 Add some data
04:45:42 Rename worksheet
04:45:42 Write Xlsx format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0031 seconds
04:45:42 Write Xls format to /tmp/phpspreadsheet/01_Simple.xls in 0.0027 seconds
04:45:42 Peak memory usage: 2MB