Character Limit In TV

<?php
$output_truncated = substr($output, 0, $options);
$output_truncated.= "...";
return $output_truncated;
?>

<?php
     $retval = $output;
     $array = explode(" ", $output);
     if (count($array)<=$options)
     {
     $retval = $output;
     }
     else
     {
     array_splice($array,$options);
     $retval = implode(" ", $array).'...';
     }
     return $retval;
?>

<h3>[[+pagetitle:limit=`20`:word_limit=`2`]]</h3>

<?php
$output = $input;
   $array = explode(" ", $input);
   if (count($array)<=$options){
   return $output;
   } else {
   array_splice($array,$options);
   $output = implode(" ", $array).'...';
   return $output;
   }

<?php
$output = $input;
   $array = explode(" ", $input);
   if (count($array)<=$options){
   return $output;
   } else {
   array_splice($array,$options);
   $output = implode(" ", $array).'...';
   return $output;
   }

<h3>[[+tv.Product_Name:limit=`5`:limitChar=`5`]]</h3>

[[+pagetitle:ellipsis=`3`]]