title: Check if multiple variables are not empty -PHP
body: <p>This is the code:</p>
  
  <pre><code>&lt;?php if($variable !== '') { ?&gt;
  &lt;?php echo $variable; ?&gt;
  &lt;?php } ?&gt;
  </code></pre>
  
  <p>What I want is that it checks if multiple variables are empty.</p>
  
  <p>Thank you.</p>