The advantage of using xml is that you can read the import file piece by piece and you don't have to load the whole thing in memory first. This way it is possible to import an entire 500.000 product catalogue without needing to use 4GiB of php memory.
The advantage of using xml is that you can read the import file piece by piece and you don't have to load the whole thing in memory first. This way it is possible to import an entire 500.000 product catalogue without needing to use 4GiB of php memory.