PHP Manual
FFI
Copies one memory area to another

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。

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