title: Printing only a part of an array
body: <p>I have something I'm working on where I'm trying to display a tracking number from an order in a table on a "My  Account" page. I was able to get everything and I'm so close, but I can't seem to figure out arrays with my limited knowledge of PHP. </p>
  
  <pre><code>    if ( $value = $order-&gt;get_meta( '_wc_shipment_tracking_items' ) ) {
          print_r( $value );
      }
  </code></pre>
  
  <p>And that displays:</p>
  
  <pre><code>Array ( 
      [0] =&gt; Array ( 
          [tracking_provider] =&gt; fedex,
          [tracking_number] =&gt; 99999999999,
          [date_shipped] =&gt; 1581552000,
          [tracking_id] =&gt; 6c382ea3f6d8b1e217599eb95dda7dab 
      ) 
  )
  </code></pre>
  
  <p>How would I be able to display just that tracking number, and better yet, could I get it as a link to track it on fedex?</p>