TYPO3-coreapi / ext-coreapi

		$updateActions = array('clear_table', 'add', 'change', 'create_table');

		$removeActions = array('change', 'drop', 'change_table', 'drop_table');

		foreach ($updateActions as $updateAction) {

			if (isset($update[$updateAction]) && is_array($update[$updateAction])) {

				$tmpKeys[] = array_keys($update[$updateAction]);

			}

		}

		foreach ($removeActions as $removeAction) {

			if (isset($remove[$removeAction]) && is_array($remove[$removeAction])) {

			}

		}

		foreach ($removeActions as $removeAction) {

			if (isset($remove[$removeAction]) && is_array($remove[$removeAction])) {

				$tmpKeys[] = array_keys($remove[$removeAction]);

			}

		}

		$finalKeys = array();

		foreach ($tmpKeys as $keys) {