title: sorting array of names in php
body: <p>I have an array of people's names:</p>
  
  <pre><code>Array
  (
      [1] =&gt; A. Aitken
      [2] =&gt; A. C. Skinner
      [3] =&gt; A. Chen
      [4] =&gt; R. Baxter
  )
  </code></pre>
  
  <p>What's the quickest way to sort the array in (alphabetical) order of the surname in php? i.e. to give</p>
  
  <pre><code>Array
  (
      [1] =&gt; A. Aitken
      [4] =&gt; R. Baxter
      [3] =&gt; A. Chen
      [2] =&gt; A. C. Skinner
  )
  </code></pre>