Wprowadzenie
There
are
many
wrappers
built
into
PHP
by
default
(
See
Dodatek
I
)
,
and
additional
,
custom
wrappers
may
be
added
either
within
a
PHP
script
using
stream_register_wrapper(
)
,
or
directly
from
an
extension
using
the
API
Reference
in
Rozdział
43
.
Custom
filters
can
be
defined
in
a
PHP
script
using
stream_register_filter(
)
or
in
an
extension
using
the
API
Reference
in
Rozdział
43
.
-
See
Dodatek
I
for
a
list
of
PHP
builtin
wrappers
.
-
Again
,
see
Dodatek
I
for
a
description
of
targets
for
builtin
streams
.