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DOMNode::__sleepForbids serialization unless serialization methods are implemented in a subclass 説明
public array DOMNode::__sleep()
Forbids serialization unless serialization methods are implemented in a subclass. パラメータこの関数にはパラメータはありません。 戻り値The method always throws an exception. エラー / 例外Throws an Error exception when called. |