<?php 

function limit_kata($string, $word_limit = null)
  {     
      $words = explode(' ', $string);
      if (count($words) > $word_limit):
          $kata = implode(' ', array_slice($words, 0, $word_limit)) ;
          return clean_text($kata)."...";
      else:
          $kata = implode(' ', array_slice($words, 0, $word_limit)) ;
          return clean_text($kata)."...";
      endif;
  }

function clean_text($text)
  {
      return trim(preg_replace('/ +/', ' ', preg_replace('/[^A-Za-z0-9 ]/', ' ', urldecode(html_entity_decode(strip_tags($text))))));
  }



$kalimat = "Etsy doostang zoodles disqus groupon greplin oooj voxy zoodles, weebly ning heekya handango imeem plugg dopplr jibjab, movity jajah plickers sifteo edmodo ifttt zimbra.";
//limit menjadi 10 kata
echo limit_kata($kalimat,10);
?>

Etsy doostang zoodles disqus groupon greplin oooj voxy zoodles weebly...