01 Simple

02:31:24 Create new Spreadsheet object
02:31:24 Set document properties
02:31:24 Add some data
02:31:24 Rename worksheet
02:31:24 Write Xlsx format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0034 seconds
02:31:24 Write Xls format to /tmp/phpspreadsheet/01_Simple.xls in 0.0070 seconds
02:31:24 Peak memory usage: 8MB