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Diffstat (limited to 'engine/lib/metastrings.php')
| -rw-r--r-- | engine/lib/metastrings.php | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/engine/lib/metastrings.php b/engine/lib/metastrings.php new file mode 100644 index 000000000..17c9a751b --- /dev/null +++ b/engine/lib/metastrings.php @@ -0,0 +1,34 @@ +<?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/ + */ + + + /** + * Add a metastring. + * It returns the id of the tag, whether by creating it or updating it. + * + * @param string $tag The value (whatever that is) to be stored + * @return mixed Integer tag or false. + */ + function add_metastring($tag) + { + global $CONFIG; + + $tag = sanitise_string($tag); + + $row = get_data_row("SELECT * from {$CONFIG->dbprefix}metastrings where tag='$tag' limit 1"); + if ($row) + return $row->id; + + return insert_data("INSERT into {$CONFIG->dbprefix}metastrings (tag) values ('$tag')"); + } +?>
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