PHP resize text

function resize($titleText) {
	$maxLength = 15; ## the maximum length of a word is 20 characters
	$newText = "";
	$titleText = addSpecialChars($titleText);
	$titleWords = explode(" ",$titleText);
	for ($i=0; $i<count($titleWords); $i++) {
		if (strlen($titleWords[$i])>$maxLength) $newText .= substr($titleWords[$i],0,$maxLength-3)."... ";
		else $newText .= $titleWords[$i]." ";
	}
	return $newText;
}