title: How can i variable add new charcter another string?
body: <p>Hi guy can you help me i have problem sometimes variable.</p>
  
  <pre><code>&lt;?php
  
  $ns = "test";
  echo $ns;
  </code></pre>
  
  <p>print test but I don't want this.</p>
  
  <p><strong>output</strong></p>
  
  <blockquote>
    <p>t:e:s:t</p>
  </blockquote>
  
  <p>please help?</p>