(PHP 7 >= 7.4.0)
FFI::memcpy — Copies one memory area to another
&$dst
, mixed &$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.
dstThe start of the memory area to copy to.
srcThe start of the memory area to copy from.
sizeThe number of bytes to copy.
没有返回值。