title: how to require file from plugin directory of wordpress in theme page
body: <p>I want to require_once an html file from plugin directory of wordpress in the custom page of wordpress </p>
  
  <p>i have tried </p>
  
  <pre><code>require_once(WP_PLUGIN_URL."/sinetiks-schools/images/t1.php");
  </code></pre>
  
  <p>but getting an error </p>
  
  <pre><code>require_once(): http:// wrapper is disabled in the server configuration by allow_url_include=0 i
  </code></pre>