01 Simple
06:00:56 Create new Spreadsheet object
06:00:56 Set document properties
06:00:56 Add some data
06:00:56 Rename worksheet
06:00:56 Write Xlsx format to
/tmp/phpspreadsheet/01_Simple.xlsx
in 0.0040 seconds
06:00:56 Write Xls format to
/tmp/phpspreadsheet/01_Simple.xls
in 0.0039 seconds
06:00:56 Peak memory usage: 2MB