title: Hightest value of an associative array
body: <p>Is there any easy way to get the hightest numeric value of an associative array? </p>
  
  <pre><code>$array = array(
      0 =&gt; array(
          'key1' =&gt; '123',
          'key2' =&gt; 'values we',
          'key3' =&gt; 'do not',
          'key4' =&gt; 'care about'
      ),
      1 =&gt; array(
          'key1' =&gt; '124',
          'key2' =&gt; 'values we',
          'key3' =&gt; 'do not',
          'key4' =&gt; 'care about'
      ),
      2 =&gt; array(
          'key1' =&gt; '125',
          'key2' =&gt; 'values we',
          'key3' =&gt; 'do not',
          'key4' =&gt; 'care about'
      )
  );
  
  AwesomeFunction($array, 'key1'); // returns 2 ($array key)
  </code></pre>
  
  <p>Please be kind since this question was written with a phone. Thanks.</p>