PHP Range Function
<p>I need some help w/ range function:</p>

<p>Code: <code>range(1,4)</code></p>

<p>Output:</p>

<pre><code>Array
(
    [0] =&gt; 1
    [1] =&gt; 2
    [2] =&gt; 3
    [3] =&gt; 4
)
</code></pre>

<hr>

<p>How can I get an output like:</p>

<pre><code>Array
(
    [01] =&gt; 01
    [02] =&gt; 02
    [03] =&gt; 03
    [04] =&gt; 04
)
</code></pre>
