title: Sort a multidimensional array by values in a column
body: <p>I have this array</p>
  
  <pre><code>Array
  (
      [0] =&gt; Array
          (
              [brand] =&gt; blah blah
              [location] =&gt; blah blah
              [address] =&gt; blah blah
              [city] =&gt; blah blah
              [state] =&gt; CA
              [zip] =&gt; 90210
              [country] =&gt; USA
              [phone] =&gt; 555-1212
              [long] =&gt; -111
              [lat] =&gt; 34
              [distance] =&gt; 3.08
          )
      [1] =&gt; Array
          (
              [brand] =&gt; blah blah
              [location] =&gt; blah blah
              [address] =&gt; blah blah
              [city] =&gt; blah blah
              [state] =&gt; CA
              [zip] =&gt; 90210
              [country] =&gt; USA
              [phone] =&gt; 555-1212
              [long] =&gt; -111
              [lat] =&gt; 34
              [distance] =&gt; 5
          )
  .
  .
  .
  
  }
  </code></pre>
  
  <p>I want to be able to sort the arrays in the hash by distance.</p>