01 Simple

11:28:42 Create new Spreadsheet object
11:28:42 Set document properties
11:28:42 Add some data
11:28:42 Rename worksheet
11:28:42 Write Xlsx format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0044 seconds
11:28:42 Write Xls format to /tmp/phpspreadsheet/01_Simple.xls in 0.0043 seconds
11:28:42 Peak memory usage: 2.5MB