gctools-outilsgc / gcconnex

	 * @param array $options An options array. {@link elgg_get_metadata()}

	 * @return bool|null true on success, false on failure, null if no metadata to delete.

	 */

	function deleteAll(array $options) {

		if (!_elgg_is_valid_options_for_batch_operation($options, 'metadata')) {

			return false;

		}

		$options['metastring_type'] = 'metadata';

		$result = _elgg_batch_metastring_based_objects($options, 'elgg_batch_delete_callback', false);

		// This moved last in case an object's constructor sets metadata. Currently the batch

		// delete process has to create the entity to delete its metadata. See #5214

		$this->cache->invalidateByOptions($options);

		return $result;

	}

	/**

	 * Disables metadata based on $options.

	 * @param array $options An options array. {@link elgg_get_metadata()}

	 * @return bool|null true on success, false on failure, null if no metadata disabled.

	 */

	function disableAll(array $options) {

		if (!_elgg_is_valid_options_for_batch_operation($options, 'metadata')) {

			return false;

		}

		$this->cache->invalidateByOptions($options);

		// if we can see hidden (disabled) we need to use the offset

		// otherwise we risk an infinite loop if there are more than 50

		$inc_offset = access_get_show_hidden_status();

		$options['metastring_type'] = 'metadata';

		return _elgg_batch_metastring_based_objects($options, 'elgg_batch_disable_callback', $inc_offset);

	}

	/**

	 * Enables metadata based on $options.

	 * @param array $options An options array. {@link elgg_get_metadata()}

	 * @return bool|null true on success, false on failure, null if no metadata enabled.

	 */

	function enableAll(array $options) {

		if (!$options || !is_array($options)) {

			return false;

		}

		$this->cache->invalidateByOptions($options);

		$options['metastring_type'] = 'metadata';

		return _elgg_batch_metastring_based_objects($options, 'elgg_batch_enable_callback');

	}

	/**

	 * Returns entities based upon metadata.  Also accepts all