ColorJar: PHP neat_trim()

neat_trim.php

function neat_trim($str, $n, $delim='...') {                                                                                                                                                          
  $len = strlen($str);
  if ($len > $n) {
    preg_match('/(.{' . $n . '}.*?)\b/', $str, $matches);
    return rtrim($matches[1]) . $delim;
  }
  else {
    return $str;
  }
}