$qu­ery = new WP_Query( ar­ray( ‘or­der­by’ => ‘rand’, ‘posts_per_page’ => 1, ‘post_type’ => ‘page’, ‘post_parent’ => ‘2’ )) ;
if ( $query->have_posts() ) {
echo ’

‘;
whi­le ( $query->have_posts() ) {
$query->the_post();
echo ’
• ’ . get_the_title() . ’

‘;
}
echo ’

‘;
} else {
// no posts fo­und
}