01 Simple

07:12:47 Create new Spreadsheet object
07:12:47 Set document properties
07:12:47 Add some data
07:12:47 Rename worksheet
07:12:47 Write Xlsx format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0034 seconds
07:12:47 Write Xls format to /tmp/phpspreadsheet/01_Simple.xls in 0.0021 seconds
07:12:47 Peak memory usage: 2MB