Sie suchten nach: becomes (Japanisch - Russisch)

name of the filter; it switches all bits from 0 to 1 and 1 to 0 respectivly, so 01111110 becomes 10000001
При включении этого параметра также поменять порядок следования битов. name of the filter; it switches all bits from 0 to 1 and 1 to 0 respectivly

name of the filter; it changes the order of the bytes/bits to backwards, so abcd becomes dcba
Если включено, последний операнд будет выровнен с концом данных. name of the filter; it changes the order of the bytes/ bits to backwards

flags allows you to specify your preference for the seekeable stream that is returned: use php_stream_no_preference to use the default seekable stream (which uses a dynamically expanding memory buffer, but switches to temporary file backed storage when the stream size becomes large), or use php_stream_prefer_stdio to use "regular" temporary file backed storage.
Таблица 43-1. php_stream_make_seekable() return values