title: How to ignore or remove null element from an array inside collection
body: <pre><code>Collection {#363 ▼
    #items: array:3 [▼
      0 =&gt; Tag {#376 ▶}
      1 =&gt; null
      2 =&gt; Tag {#374 ▶}
    ]
  }
  </code></pre>
  
  <p>I want to remove the second key/pair element from this collection. How can I achieve this?</p>