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.
/**
* Select site administrators.
*
* @package core_role
* @copyright 2010 Petr Skoda {@link http://skodak.org}
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
require_once(__DIR__ . '/../../config.php');
require_once($CFG->libdir.'/adminlib.php');
$confirmadd = optional_param('confirmadd', 0, PARAM_INT);
$confirmdel = optional_param('confirmdel', 0, PARAM_INT);
$PAGE->set_url('/admin/roles/admins.php');
admin_externalpage_setup('admins');
if (!is_siteadmin()) {
die;
}
$admisselector = new core_role_admins_existing_selector();
$potentialadmisselector = new core_role_admins_potential_selector();
if (optional_param('add', false, PARAM_BOOL) and confirm_sesskey()) {
if ($userstoadd = $potentialadmisselector->get_selected_users()) {
$user = reset($userstoadd);
$username = $potentialadmisselector->output_user($user);
echo $OUTPUT->header();
$yesurl = new moodle_url('/admin/roles/admins.php', array('confirmadd'=>$user->id, 'sesskey'=>sesskey()));
echo $OUTPUT->confirm(get_string('confirmaddadmin', 'core_role', $username), $yesurl, $PAGE->url);
echo $OUTPUT->footer();
die;
}
} else if (optional_param('remove', false, PARAM_BOOL) and confirm_sesskey()) {
if ($userstoremove = $admisselector->get_selected_users()) {
$user = reset($userstoremove);
if ($USER->id == $user->id) {
// Can not remove self.
} else {
$username = $admisselector->output_user($user);
echo $OUTPUT->header();
$yesurl = new moodle_url('/admin/roles/admins.php', array('confirmdel'=>$user->id, 'sesskey'=>sesskey()));
echo $OUTPUT->confirm(get_string('confirmdeladmin', 'core_role', $username), $yesurl, $PAGE->url);
echo $OUTPUT->footer();
die;
}
}
} else if (optional_param('main', false, PARAM_BOOL) and confirm_sesskey()) {
if ($newmain = $admisselector->get_selected_users()) {
$newmain = reset($newmain);
$newmain = $newmain->id;
$admins = array();
foreach (explode(',', $CFG->siteadmins) as $admin) {
$admin = (int)$admin;
if ($admin) {
$admins[$admin] = $admin;
}
}
if (isset($admins[$newmain])) {
$logstringold = implode(', ', $admins);
unset($admins[$newmain]);
array_unshift($admins, $newmain);
$logstringnew = implode(', ', $admins);
set_config('siteadmins', implode(',', $admins));
add_to_config_log('siteadmins', $logstringold, $logstringnew, null);
redirect($PAGE->url);
}
}
} else if ($confirmadd and confirm_sesskey()) {
$admins = array();
foreach (explode(',', $CFG->siteadmins) as $admin) {
$admin = (int)$admin;
if ($admin) {
$admins[$admin] = $admin;
}
}
$logstringold = implode(', ', $admins);
$admins[$confirmadd] = $confirmadd;
$logstringnew = implode(', ', $admins);
set_config('siteadmins', implode(',', $admins));
add_to_config_log('siteadmins', $logstringold, $logstringnew, 'core');
redirect($PAGE->url);
} else if ($confirmdel and confirm_sesskey() and $confirmdel != $USER->id) {
$admins = array();
foreach (explode(',', $CFG->siteadmins) as $admin) {
$admin = (int)$admin;
if ($admin) {
$admins[$admin] = $admin;
}
}
$logstringold = implode(', ', $admins);
unset($admins[$confirmdel]);
$logstringnew = implode(', ', $admins);
set_config('siteadmins', implode(',', $admins));
add_to_config_log('siteadmins', $logstringold, $logstringnew, 'core');
redirect($PAGE->url);
}
// Print header.
echo $OUTPUT->header();
?>
footer();