PHP function to break long words

breakLongWords.php

<?php
/**
* Detect overly long words in text and add whitespaces into them to let them wrap
* @param string $text Text to be processed
* @return string
* @author Vladimir Belohradsky
*/
function breakLongWords($text) {
	$maxWordLenght = 30;
	$words = explode(' ',$text);
	foreach ($words as $word) {
		if (strlen($word) > $maxWordLenght) {
			$fixedWord = wordwrap($word, $maxWordLenght, '&NegativeMediumSpace;', true);
			$text = str_replace($word, $fixedWord, $text);
		}
	}
	return $text;
}