01 Simple

06:50:13 Create new Spreadsheet object
06:50:13 Set document properties
06:50:13 Add some data
06:50:13 Rename worksheet
06:50:13 Write Xlsx format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0033 seconds
06:50:13 Write Xls format to /tmp/phpspreadsheet/01_Simple.xls in 0.0022 seconds
06:50:13 Peak memory usage: 2MB