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    FFI::isNull

    (PHP 7 >= 7.4.0)

    FFI::isNull — Checks whether a FFI\CData is a null pointer

    Descrierea

    public static FFI::isNull ( FFI\CData &$ptr ) : bool

    Checks whether a FFI\CData is a null pointer.

    Parametri

    ptr

    The handle of the pointer to a C data structure.

    Valorile întoarse

    Returns whether a FFI\CData is a null pointer.

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