function string_limit_words($string, $word_limit)
    {
  $words = explode(' ', $string, ($word_limit + 1));
  if(count($words) > $word_limit)
  array_pop($words);
  return implode(' ', $words);
}

<?php if ( $woo_options['woo_post_content_home'] == "true" ) the_content(); else $excerpt = get_the_excerpt(); echo string_limit_words($excerpt,38); ?>

function string_limit_words($string, $word_limit)
    {
  $words = explode(' ', $string, ($word_limit + 1));
  if(count($words) > $word_limit)
  array_pop($words);
  return implode(' ', $words) . '...';
}

function string_limit_words($string, $word_limit)
    {
  $words = explode(' ', $string, ($word_limit + 1));
  if(count($words) > $word_limit)
  {
      array_pop($words);
      $words[] = '[...]';
  }
  return implode(' ', $words);
}

echo string_limit_words($excerpt,38) . " ...";

function string_limit_words($string, $word_limit)
    {
  $ellipses = '';
  $words = explode(' ', $string, ($word_limit + 1));
  if(count($words) > $word_limit) {
    array_pop($words);
    $ellipses = ' ...';
  }
  $newString = implode(' ', $words) + $ellipses;
  return $newString
}