Create a Random Post button in WordPress

random-button-html.php

<div class="random-post-button">
    <a href="random post url">Random Post</a>
</div>

random-button-url-function.php

<?php
$args = new WP_Query(array(
	    	'posts_per_page' 		=> '1',
	    	'no_found_rows' 		=> true,
	    	'orderby'			=> 'rand',
	    	'ignore_sticky_posts' 		=> true,
));

if ( $args->have_posts() ) :
	while ( $args->have_posts() ) : $args->the_post();
	$random_url = get_permalink(); ?>
		<!--random button tags here-->
	<?php endwhile; ?>
<?php endif; wp_reset_query(); ?>

random-post-button.php

<?php
function random_post_button() {
	$args = new WP_Query(array(
		'posts_per_page' 		=> '1',
		'no_found_rows' 		=> true,
		'orderby'				=> 'rand',
		'ignore_sticky_posts' 	=> true,
	));
	
	if ( $args->have_posts() ) :
		while ( $args->have_posts() ) : $args->the_post();
		$random_url = get_permalink(); ?>
		<div class="random-post-button">
	        <a href="<?php echo $random_url;?>">Random Post</a>
	    </div>
		<?php endwhile;
	endif; wp_reset_query(); 
}

usage.php

<?php random_post_button(); ?>