01 Simple

04:30:48 Create new Spreadsheet object
04:30:48 Set document properties
04:30:48 Add some data
04:30:48 Rename worksheet
04:30:48 Write Xlsx format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0033 seconds
04:30:48 Write Xls format to /tmp/phpspreadsheet/01_Simple.xls in 0.0031 seconds
04:30:48 Peak memory usage: 2MB