title: Codeigniter text area validation rule doesn't work
body: <p>I am trying to validate text area in codeigniter</p>
  
  <p>code in view</p>
  
  <pre><code> Write the best two hoppy you pratise
    &lt;?php   $user=" ";  ?&gt;
    &lt;form action= "&lt;?php echo base_url('log_c/save_hoppy/ ' .$user ); ?&gt;" method="post" &gt;
    &lt;?php echo form_error('hoppy'); ?&gt;
   &lt;textarea name="hoppy" cols="20"  rows="2"&gt; 
        &lt;?php echo set_value('hoppy'); ?&gt; 
  &lt;/textarea&gt;
  
  &lt;input type="submit" name="submitbutton" value=" Save "&gt;
  
  &lt;/form&gt;
  </code></pre>
  
  <p>and this code in controller</p>
  
  <pre><code>public function save_hoppy($user)
  {
  
      $this-&gt;form_validation-&gt;set_rules('hoppy', 'Hoppy', 'required|max_length[40]');
  
      echo"after validation".$user."&lt;br&gt;";
      $hoppy = $this-&gt;input-&gt;post('hoppy');
      echo"&lt;br&gt;this hoppy".$hoppy;
  
  
  }
  </code></pre>
  
  <p>But this validation doesn't work
  .the population text area work   please any one help me </p>