01 Simple

01:18:17 Create new Spreadsheet object
01:18:17 Set document properties
01:18:17 Add some data
01:18:17 Rename worksheet
01:18:17 Write Xlsx format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0048 seconds
01:18:17 Write Xls format to /tmp/phpspreadsheet/01_Simple.xls in 0.0146 seconds
01:18:17 Peak memory usage: 6MB