Get the name of an index in an array
<blockquote>
  <p><strong>Possible Duplicate:</strong><br>
  <a href="http://stackoverflow.com/questions/1028668/get-first-key-in-a-possibly-associative-array">Get first key in a [possibly] associative array?</a>  </p>
</blockquote>



<p>I have this array:</p>

<pre><code>Array
(
    ['foobar'] =&gt; Array
        (
            [key1] =&gt; value1
            [key2] =&gt; value2
        )

)
</code></pre>

<p>I want to get to name of the first index (foobar). How can I do it?</p>
