enrol based on badges

function dotheenrols(){
global $OUTPUT, $USER, $DB;
$all_users = $DB->get_records_sql('SELECT * FROM mdl_user WHERE deleted = 0');   
foreach ($all_users as $r_user){

	//set all user table variables            
	if($r_user->id){$user_id = $r_user->id;}
    if($user_id >27){
        if ($record = $DB->get_record('badge_issued', array('badgeid' => 3, 'userid' => $user_id))) {
                //they have the badge
            $context = context_course::instance(19);
            $context2 = context_course::instance(29);
            // What role to enrol as?
            $studentroleid = $DB->get_field('role', 'id', array('shortname' => 'student'));
            // Loop through the students.
            if (!is_enrolled($context, $user_id)) {
                // Not already enrolled so try enrolling them.
                if (!enrol_try_internal_enrol(19, $user_id, $studentroleid, time())) {
                    // There's a problem.
                    echo"There's a problem.";
                    //throw new moodle_exception('unabletoenrolerrormessage', 'langsourcefile');
                }
            }
            if (!is_enrolled($context2, $user_id)) {
                // Not already enrolled so try enrolling them.
                if (!enrol_try_internal_enrol(29, $user_id, $studentroleid, time())) {
                    // There's a problem.
                    echo"There's a problem.";
                    //throw new moodle_exception('unabletoenrolerrormessage', 'langsourcefile');
                }
            }
        }

    }
}
echo"done the enrols";
}