title: Laravel JSON_UNESCAPED_SLASHES doesn't work
body: <p>For some reason this does not escape my slashes.</p>
  
  <p>Whenever I manually do <code>echo json_encode($relation, JSON_UNESCAPED_SLASHES)</code> for example then it does work but it doesn't work with Laravel responses like below. Any fix or workaround?</p>
  
  <pre><code>        return response()-&gt;json([
              'card' =&gt; $card[0],
              'company' =&gt; $company[0],
              'identity' =&gt; $identity[0],
              'haulier_declarations' =&gt; $relation,
          ], 200, [], JSON_UNESCAPED_SLASHES);
      }
  </code></pre>