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    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.

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