/** * Adds an object to the instance pool. * * Propel keeps cached copies of objects in an instance pool when they are retrieved * from the database. In some cases you may need to explicitly add objects * to the cache in order to ensure that the same objects are always returned by find*() * and findPk*() calls. * * @param \WpTermRelationships $obj A \WpTermRelationships object. * @param string $key (optional) key to use for instance map (for performance boost if key was already calculated externally). */ public static function addInstanceToPool($obj, $key = null) { if (Propel::isInstancePoolingEnabled()) { if (null === $key) { $key = serialize([null === $obj->getObjectId() || is_scalar($obj->getObjectId()) || is_callable([$obj->getObjectId(), '__toString']) ? (string) $obj->getObjectId() : $obj->getObjectId(), null === $obj->getTermTaxonomyId() || is_scalar($obj->getTermTaxonomyId()) || is_callable([$obj->getTermTaxonomyId(), '__toString']) ? (string) $obj->getTermTaxonomyId() : $obj->getTermTaxonomyId()]); } // if key === null self::$instances[$key] = $obj; } }