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SDO_DataObject::getContainer — Get a data object's container
此函数是实验性的。此函数的表象，包括名称及其相关文档都可能在未来的 PHP 发布版本中未通知就被修改。使用本函数风险自担 。
Get the data object which contains this data object.
None.
Returns the SDO_DataObject which contains this SDO_DataObject, or returns NULL if this is a root SDO_DataObject (i.e. it has no container).