Ansel_Faces_Base::getFaceById PHP Method

    public function getFaceById($face_id, $full = false)
    {
        $sql = 'SELECT face_id, image_id, gallery_id, face_name';
        if ($full) {
            $sql .= ', face_x1, face_y1, face_x2, face_y2, face_signature';
        }
        $sql .= ' FROM ansel_faces WHERE face_id = ?';
        try {
            $face = $GLOBALS['ansel_db']->selectOne($sql, array((int) $face_id));
        } catch (Horde_Db_Exception $e) {
            throw new Ansel_Exception($e);
        }
        if (empty($face)) {
            throw new Horde_Exception_NotFound('Face does not exist');
        }
        if ($full && $GLOBALS['conf']['faces']['search'] && function_exists('puzzle_uncompress_cvec')) {
            $columns = $GLOBALS['ansel_db']->columns('ansel_faces');
            $face['face_signature'] = puzzle_uncompress_cvec($columns['face_signature']->binaryToString($face['face_signature']));
        }
        if (empty($face['face_name'])) {
            $face['galleries'][$face['gallery_id']][] = $face['image_id'];
            return $face;
        }
        $sql = 'SELECT gallery_id, image_id FROM ansel_faces WHERE face_name = ?';
        try {
            $galleries = $GLOBALS['ansel_db']->selectAll($sql, array($face['face_name']));
        } catch (Horde_Db_Exception $e) {
            throw new Ansel_Exception($e);
        }
        if (empty($galleries)) {
            throw new Horde_Exception_NotFound('Face does not exist');
        }
        foreach ($galleries as $gallery) {
            $face['galleries'][$gallery['gallery_id']][] = $gallery['image_id'];
        }
        return $face;
    }