title: Multidimensional array sorting based on number with a different format
body: <pre><code>Array
  (
      [0] =&gt; Array
          (
              [hashtag] =&gt; a7e87329b5eab8578f4f1098a152d6f4
              [title] =&gt; Flower
              [order] =&gt; 3-1-9
          )
  
      [1] =&gt; Array
          (
              [hashtag] =&gt; b24ce0cd392a5b0b8dedc66c25213594
              [title] =&gt; Free
              [order] =&gt; 2-7-5
          )
  
      [2] =&gt; Array
          (
              [hashtag] =&gt; e7d31fc0602fb2ede144d18cdffd816b
              [title] =&gt; Ready
              [order] =&gt; 2-6-3
          )
      [3] =&gt; Array
          (
              [hashtag] =&gt; e7d31fc0602fb2ede144d18cdffd816b
              [title] =&gt; Ready
              [order] =&gt; 3-6-3
          )
  )
  </code></pre>
  
  <p>I need sort based on the 'order' in descending order</p>