Simple plugin for random posts shortcode

jl-random-posts-simple.php

<?php /*
	Plugin Name: JL Random Posts */
	function jl_random_posts() {
		$jlrandom_output = '';
		$jlrandom_loop = new WP_Query( array( 'posts_per_page' => 3, 'orderby' => 'rand' ) );
		while ( $jlrandom_loop->have_posts() ) : $jlrandom_loop->the_post();
			$jlrandom_output .= '<li><a href="' . get_permalink() . '">' . the_title( '', '', false ) . '</a></li>';
		endwhile;
		wp_reset_query();
		return '<ul>' . $jlrandom_output . '</ul>';
	}
	add_shortcode( 'jlrandom', 'jl_random_posts' ); ?>