PHP function - Truncate string to a number of words and add elipse for read more...

limittext.php

<?php
function limit_text($text, $limit) {
  if (str_word_count($text, 0) > $limit) {
      $words = str_word_count($text, 2);
      $pos = array_keys($words);
      $text = substr($text, 0, $pos[$limit]) . '...';
  }
  return $text;
}

// Limit to 5 words then pop in a '...'
echo limit_text('Hello here is a long sentence blah blah blah blah blah hahahaha haha haaaaaa', 5);
?>