$user_id = get_current_user_id();
                if (wplms_user_course_active_check($user_id, $course_id)) {
                    $take_course_page = get_permalink(vibe_get_option('take_course_page'));
                    echo '<form action="' . $take_course_page . '" method="post">';
                    echo '<input type="submit" class="button full create-group-button" value="' . __('Back to Course', 'vibe') . '">';
                    wp_nonce_field('continue_course' . $user_id, 'continue_course');
                    echo '<input type="hidden" name="course_id" value="' . $course_id . '" />';
                    echo '</form>';
                } else {
                    echo '<a href="' . get_permalink($course_id) . '" class="button create-group-button full">' . __('Back to Course', 'vibe') . '</a>';
                }
            } else {
                echo '<a href="' . get_permalink($course_id) . '" class="button create-group-button full">' . __('Back to Course', 'vibe') . '</a>';
            }
        } else {
            vibe_breadcrumbs();
        }
        ?>
            </div>
        </div>
    </div>
</section>
<section id="content">
    <div class="container">
        <div class="row">
            <div class="col-md-9 col-sm-8">
                    <div class="content">
                        <div id="assignment" class="main_content">
                            <?php 
        do_action('wplms_assignment_before_content');
        ?>

function wplms_be_instructor_button()
{
    $teacher_form = vibe_get_option('teacher_form');
    if (isset($teacher_form) && is_numeric($teacher_form)) {
        echo '<a href="' . (isset($teacher_form) ? get_permalink($teacher_form) : '#') . '" class="button create-group-button full">' . __('Become an Instructor', 'vibe') . '</a>';
    } else {
        vibe_breadcrumbs();
    }
}