Plugin for random posts shortcode

jl-random-posts.php

<?php
/*
Plugin Name: JL Random Posts
Plugin URI: http://www.jleuze.com/plugins/jl-random-posts/
Description: Load a list of random posts.
Version: 1.0
Author: Josh Leuze
Author URI: http://www.jleuze.com/
License: GPL2
*/

/*  Copyright 2012 Josh Leuze (email : mail@jleuze.com)

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License, version 2, as 
    published by the Free Software Foundation.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
*/

	function jl_random_posts() {
	
		// Settings for random list loop
		
		global $post;
		
		$jlrandom_posttemp = $post;
		
		$jlrandom_output = '';
		
		$jlrandom_loop = new WP_Query( array(
		
			'posts_per_page' => 3,
			'orderby'        => 'rand'
		
		) );
		
		// Loop which generates the list
		
		while ( $jlrandom_loop->have_posts() ) : $jlrandom_loop->the_post();
		
			$jlrandom_output .= '<li><a href="' . get_permalink() . '">' . the_title( '', '', false ) . '</a></li>';
			
		endwhile;
		
		// reset the random list loop
		
		$post = $jlrandom_posttemp;
		
		wp_reset_postdata();
		
		// output the list
		
		return '<ul>' . $jlrandom_output . '</ul>';
		
	}
	
		/* To load the list, add this line to your theme:
	
			<?php if( function_exists( 'jl_random_posts' ) ) { echo jl_random_posts(); } ?>
	
		*/
	
	// Adds shortcode to load list in content
	
	add_shortcode( 'jlrandom', 'jl_random_posts' );
	
		/* To load the list, add this line to your page or post:
	
			[jlrandom]
	
		*/
	
?>