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SDO_Model_Property::isContainment — Test to see if the property defines a containment relationship
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。
   Test to see if the property corresponds to a containment relationship.
   Returns TRUE if the property defines a containment relationship,
   or FALSE if it is reference.
  
None.
   Returns TRUE if the property defines a containment relationship,
   or FALSE if it is reference.