Sindbad~EG File Manager

<?php
defined('MOODLE_INTERNAL') || die();

function theme_moovechild_extend_navigation(global_navigation $navigation) {
    global $PAGE;

    if ($PAGE->context && $PAGE->context->contextlevel == CONTEXT_COURSECAT) {
        $catid = optional_param('categoryid', 0, PARAM_INT);

        if ($catid == 1) {
            $navigation->add('Propósito', new moodle_url('/propositos1.php'));
            $navigation->add('Valores', new moodle_url('/valores1.php'));
        } else if ($catid == 2) {
            $navigation->add('Propósito', new moodle_url('/propositos2.php'));
            $navigation->add('Valores', new moodle_url('/valores2.php'));
        } else if ($catid == 3) {
            $navigation->add('Propósito', new moodle_url('/propositos3.php'));
            $navigation->add('Valores', new moodle_url('/valores3.php'));
        }
    }
}