01 Simple

04:26:37 Create new Spreadsheet object
04:26:37 Set document properties
04:26:37 Add some data
04:26:37 Rename worksheet
04:26:37 Write Xlsx format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0062 seconds
04:26:37 Write Xls format to /tmp/phpspreadsheet/01_Simple.xls in 0.0143 seconds
04:26:37 Peak memory usage: 10MB