Display Random Posts

$number_of_posts = 5; // Change this to the number of random posts you want to display.

$title = 'You might also like:'; // This is the title that will be displayed above the list of posts.

$current_post_id = get_the_ID();

$args = array(

	'post_type'      => 'post',

	'orderby'        => 'rand',

	'posts_per_page' => $number_of_posts,

	'post__not_in'   => array( $current_post_id ),

);

$random_posts = new WP_Query( $args );

if ( $random_posts->have_posts() ) {

	echo '<h3>' . esc_html( $title ) . '</h3>';

	echo '<ul>';

	while ( $random_posts->have_posts() ) {

		$random_posts->the_post();

		echo '<li><a href="' . esc_url( get_permalink() ) . '">' . esc_html( get_the_title() ) . '</a></li>';

	}

	echo '</ul>';

}

wp_reset_postdata();