title: Convert a String into an Array of Characters
body: <p>In PHP, how do I convert:</p>
  <pre><code>$result = &quot;abdcef&quot;;
  </code></pre>
  <p>into an array that's:</p>
  <pre><code>$result[0] = a;
  $result[1] = b;
  $result[2] = c;
  $result[3] = d;
  </code></pre>
  <p><em>Edited</em></p>