Trim headline to nearest word

Question

Say for example I have the following code:

My very long title
Another long title

If I wanted to

Answer 1

See this question:

function wrap($string, $limit) {
  $wstring = explode("\n", wordwrap($string, $limit, "\n") );
  return $wstring[0] . '...';
}

Edit: (including <= $limit check)