FFI::addr
(PHP 7 >= 7.4.0)
FFI::addr — Creates an unmanaged pointer to C data
说明
public static FFI::addr
( FFI\CData
&$ptr
) : FFI\CData
Creates an unmanaged pointer to the C data represented by the given
FFI\CData. The source ptr
must survive the
resulting pointer. This function is mainly useful to pass arguments to C functions by pointer.
参数
-
ptr
-
The handle of the pointer to a C data structure.
返回值
Returns the freshly created FFI\CData object.