title: How to validate mark_from as after mark_to in Laravel
body: <p>I am using Laravel-5.8 for my project.</p>
  <p>I am familiar with after:Date for validating dates</p>
  <p>However, I want to validate that mark_to must be greater than mark_from</p>
  <p>Rules Request Validate</p>
  <pre><code>        'mark_from' =&gt; [
              'required',
              'numeric',
              'min:0',
              'max:500', 
              new AllowedGrade,
          ], 
          'mark_to' =&gt; [
              'required',
              'numeric',
              'min:1',
              'max:500',   
              'after:mark_from',
          ], 
  </code></pre>
  <p>When I applied the above in Rules Request, it's not doing the validation.</p>
  <p>How do I achieve this?</p>
  <p>Thanks</p>