FFI::sizeof

    (PHP 7 >= 7.4.0, PHP 8)

    FFI::sizeof — Gets the size of C data or types

    说明

    public static FFI::sizeof(FFI\CData|FFI\CType &$ptr): int

    Returns the size of the given FFI\CData or FFI\CType object.

    参数

    ptr

    The handle of the C data or type.

    返回值

    The size of the memory area pointed at by ptr.

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