title: how to pass hidden parameters in the url
body: <p>//i want hidden parameters send in my controler/method
  suppose my url link Category/category_product_get/id; ?> but i want id; ?> is hide and pass my controller/method</p>
  
  <pre><code>&lt;?php
    if($Category):
     foreach($Category as $main):
  ?&gt;&lt;a href="&lt;?php echo base_url() ?&gt;Category/category_product_get/&lt;?php echo $main-&gt;id; ?&gt;&lt;?php endforeach;endif;?&gt;
  </code></pre>
  
  <p>//this is my controller Category.php</p>
  
  <pre><code>public function category_product_get($id = null) {
      echo $id;
  }
  </code></pre>