Creates a short title from the_title

Short title

//Put in functions.php
function short_title($limit) {
	global $post;
	$title = get_the_title($post->ID);
	if(strlen($title) > $limit) {
		$title = substr($title, 0, $limit) . '...';
	}

	echo $title;
}

//Call in template file
<?php the_short_title(30); ?>