<?php /** * Elgg metastrngs * Functions to manage object metastrings. * * @package Elgg * @subpackage Core * @license http://www.gnu.org/licenses/old-licenses/gpl-2.0.html GNU Public License version 2 * @author Marcus Povey <marcus@dushka.co.uk> * @copyright Curverider Ltd 2008 * @link http://elgg.org/ */ /** * Return the meta string id for a given tag, or false. * * @param string $string The value (whatever that is) to be stored * @return mixed Integer tag or false. */ function get_metastring_id($string) { global $CONFIG; $string = sanitise_string($string); $row = get_data_row("SELECT * from {$CONFIG->dbprefix}metastrings where string='$string' limit 1"); if ($row) return $row->id; return false; } /** * Add a metastring. * It returns the id of the tag, whether by creating it or updating it. * * @param string $string The value (whatever that is) to be stored * @return mixed Integer tag or false. */ function add_metastring($string) { global $CONFIG; $sanstring = sanitise_string($string); $id = get_metastring_id($string); if ($id) return $id; return insert_data("INSERT into {$CONFIG->dbprefix}metastrings (string) values ('$sanstring')"); } ?>