gistfile1.aw

<?php
function getCatItems($atts, $content = null) {
	extract(shortcode_atts(array(
		"num" => '5',
		"cat" => ''
	), $atts));
	global $post;
	$oldpost = $post;
	$myposts = get_posts('numberposts='.$num.'&order=DESC&orderby=post_date&category='.$cat);
	$retHtml='<ul>';
	foreach($myposts as $post) :
		setup_postdata($post);
		$retHtml.='<li><a href="'.get_permalink().'">'.the_title("","",false).'</a></li>';
	endforeach;
	$retHtml.='</ul>';
	$post = $oldpost;
	return $retHtml;
}
add_shortcode("list", "getCatItems");
?>

/*ショートコードは以下のように書く*/
[list cat="1" num="10"]