title: How to sort date array in php?
body: <p>I am new to php, I have php date array </p>
  
  <pre><code>[0] =&gt; 11-01-2012
  [1] =&gt; 01-01-2014
  [2] =&gt; 01-01-2015
  [3] =&gt; 09-02-2013
  [4] =&gt; 01-01-2013
  </code></pre>
  
  <p>I want to sort it like :</p>
  
  <pre><code>[0] =&gt; 11-01-2012
  [1] =&gt; 01-01-2013
  [2] =&gt; 09-02-2013
  [3] =&gt; 01-01-2014
  [4] =&gt; 01-01-2015
  </code></pre>
  
  <p>I use <code>asort</code> but not working.</p>