Text shortener

shortText.php

<?php
/**
 * Text Shortener
 */
function shortText($string, $lenght) 
{
	if(strlen($string) > $lenght) {
        	$string = substr($string, 0, $lenght)."...";
        	$string_end = strrchr($string, " ");
        	$string = str_replace($string_end, " ...", $string);
	}
	return $string;
}