SimpleSAML_Utilities::getAdminLoginURL PHP Method

    public static function getAdminLoginURL($returnTo = null)
    {
        return SimpleSAML\Utils\Auth::getAdminLoginURL($returnTo);
    }

<?php

/* Load simpleSAMLphp, configuration */
$config = SimpleSAML_Configuration::getInstance();
$session = SimpleSAML_Session::getInstance();
/* Check if valid local session exists.. */
if ($config->getBoolean('admin.protectindexpage', false)) {
    SimpleSAML_Utilities::requireAdmin();
}
$loginurl = SimpleSAML_Utilities::getAdminLoginURL();
$isadmin = SimpleSAML_Utilities::isAdmin();
$warnings = array();
if (!SimpleSAML_Utilities::isHTTPS()) {
    $warnings[] = '{core:frontpage:warnings_https}';
}
if ($config->getValue('secretsalt') === 'defaultsecretsalt') {
    $warnings[] = '{core:frontpage:warnings_secretsalt}';
}
if (extension_loaded('suhosin')) {
    $suhosinLength = ini_get('suhosin.get.max_value_length');
    if (empty($suhosinLength) || (int) $suhosinLength < 2048) {
        $warnings[] = '{core:frontpage:warnings_suhosin_url_length}';
    }
}
$links = array();
$links_welcome = array();
$links_config = array();
$links_auth = array();
$links_federation = array();
$links_config[] = array('href' => SimpleSAML_Utilities::getBaseURL() . 'example-simple/hostnames.php?dummy=1', 'text' => '{core:frontpage:link_diagnostics}');
$links_config[] = array('href' => SimpleSAML_Utilities::getBaseURL() . 'admin/phpinfo.php', 'text' => '{core:frontpage:link_phpinfo}');