Add white space after 30 characters if there is no whitespace

gistfile1.aw

function breakString($string){
        $stringArray = explode(" ", $string);
        if(is_array($stringArray)){
            foreach($stringArray as $index => $substring){
                if(strlen($substring) > 30){
                    $subsubStrings = str_split($substring, 30);
                    $stringArray[$index] = implode(" ", $subsubStrings);
                }
            }
        }
        $newString = implode(" ", $stringArray);
        return $newString;
    }