使用角色功能获取角色

Question

是否有办法获得所有角色，包括（id和rolename）

function getrole {
    $options = array();
    foreach (role_get_names() as $myrole) {
       $options[$myrole->id] = $myrole->localname;
    }
    return html_writer::select($options);       
}

Answer 1

// The true at the end is used to return an array for select elements.
// So this returns an array with array(roleid => 'originalrolename')
$options = role_fix_names(get_all_roles(), context_system::instance(), ROLENAME_ORIGINAL, true);