01 Simple

17:03:06 Create new Spreadsheet object
17:03:06 Set document properties
17:03:06 Add some data
17:03:06 Rename worksheet
17:03:06 Write Xlsx format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0118 seconds
17:03:06 Write Xls format to /tmp/phpspreadsheet/01_Simple.xls in 0.0022 seconds
17:03:06 Peak memory usage: 2MB