FFI::addr

(PHP 7 >= 7.4.0, PHP 8)

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.