moodle/blocks/admin_bookmarks/delete.php

<?php // $Id$

require('../../config.php');

require_once($CFG->libdir.'/adminlib.php');
$adminroot = admin_get_root();
require_login();

if ($section = optional_param('section', '', PARAM_ALPHAEXT) and confirm_sesskey()) {

    if (get_user_preferences('admin_bookmarks')) {

        $bookmarks = explode(',', get_user_preferences('admin_bookmarks'));

        $key = array_search($section, $bookmarks);

        if ($key === false) {
                    error(get_string('nonexistentbookmark','admin'));
            die;
        }

        unset($bookmarks[$key]);
        $bookmarks = implode(',',$bookmarks);
        set_user_preference('admin_bookmarks', $bookmarks);

        $temp = $adminroot->locate($section);

        if (is_a($temp, 'admin_externalpage')) {
            redirect($temp->url, get_string('bookmarkdeleted','admin'));
        } elseif (is_a($temp, 'admin_settingpage')) {
            redirect($CFG->wwwroot . '/' . $CFG->admin . '/settings.php?section=' . $section);
        } else {
            redirect($CFG->wwwroot);
        }
        die;


    }

        error(get_string('nobookmarksforuser','admin'));
    die;

} else {
    error(get_string('invalidsection', 'admin'));
    die;
}

?>