">array_key_exists</span><span style="color: #007700">(</span><span style="color: #0000BB">$id</span><span style="color: #007700">,</span><span style="color: #0000BB">$this</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">_modules</span><span style="color: #007700">))<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;return&nbsp;</span><span style="color: #0000BB">$this</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">_modules</span><span style="color