title: PHP7 with APCu - Call to undefined function apc_fetch()
body: <p>I have installed APCu extension in PHP7</p>
  
  <p>But I get this error</p>
  
  <pre><code>Call to undefined function apc_fetch()
  </code></pre>
  
  <p><a href="https://i.stack.imgur.com/WpQc8.png" rel="noreferrer"><img src="https://i.stack.imgur.com/WpQc8.png" alt="enter image description here"></a></p>