23 Sharedstyles
22:05:00 Create new Spreadsheet object
22:05:00 Set document properties
22:05:00 Add some data
22:05:00 Write Xlsx format to
/tmp/phpspreadsheet/23_Sharedstyles.xlsx in 0.0068 seconds
22:05:00 Write Xls format to
/tmp/phpspreadsheet/23_Sharedstyles.xls in 0.0040 seconds
22:05:00 Peak memory usage: 4MB