FFI::memcpy
(PHP 7 >= 7.4.0)
FFI::memcpy — Copies one memory area to another
说明
public static FFI::memcpy
( FFI\CData
&$dst
, mixed &$src
, int $size
) : void
Copies size
bytes from the memory area src
to the memory area dst
. Both src
and
dst
can be any native data structures (FFI\CData)
or PHP strings.
参数
-
dst
-
The start of the memory area to copy to.
-
src
-
The start of the memory area to copy from.
-
size
-
The number of bytes to copy.
返回值
没有返回值。