title: Get the sum of multidimensional array on Laravel Collection
body: <pre><code>$arrays = collect([[0,1], [0,2], [0,3]]);
  </code></pre>
  
  <p>How to get the sum of array?</p>
  
  <p>I tried the code below, but I got error.</p>
  
  <pre><code> return array_map('array_sum', array_map(null, ...collect-&gt;toArray());
  </code></pre>
  
  <p>How to achieve this?</p>
  
  <pre><code>$arrays = [0,6];
  </code></pre>