Recent Posts WordPress PHP

Recent-Posts.php

<?php
function dee_display_recent_posts() {
	$args = array(
		'post_type' => 'post',
		'posts_per_page'=> 5,
		'cat'=> 4,
	);
	
	$dee_recent_posts = new WP_Query( $args );
	
	if( $dee_recent_posts->have_posts() ):
		$dee_output = '<ul>';
		while ( $dee_recent_posts->have_posts() ) : $dee_recent_posts->the_post();
			$dee_output .= '<li><a href="' . get_permalink() . '" title="' . get_the_title() . '">' . get_the_title() . '</a></li>';
		endwhile; 
		$dee_output .= '</ul>';
	endif;
	
	return $dee_output;
	wp_reset_postdata();
	
}
add_shortcode( 'recent-posts', 'dee_display_recent_posts' );