PHP: limit words

gistfile1.php

<?php
function limit_words($string, $word_limit) {
	$string = strip_tags($string);
	$words = explode(' ', strip_tags($string));
	$return = trim(implode(' ', array_slice($words, 0, $word_limit)));
	if(strlen($return) < strlen($string)){
	$return .= '...';
	}
	return $return;
}
?>