Trim a string to a set length of words

wordTrim.php

<?php

// Shorten a string to a specific word count
function wordTrim($str,$maxwords=25, $more = '...'){
	$words = explode(' ',trim($str));
	if(count($words) > $maxwords)
	{
		$newStr = array();
		for($i=0;$i<$maxwords;$i++)
			$newStr[] = $words[$i];
		return implode(' ',$newStr) . $more;
	}
	else
	{
		return $str;
	}
	
	return (strlen($str) > $maxwords) ? substr($str,0,$maxwords) . $more : $str;
}

?>