title: Insert node in xml using php
body: <p>I want to insert text node and create element in xml using php
  for example</p>
  
  <p>XML </p>
  
  <pre><code>&lt;?xml version="1.0"?&gt;
  &lt;employees&gt;
    &lt;employee&gt;
      &lt;name&gt;Albert&lt;/name&gt;
      &lt;age&gt;34&lt;/age&gt;
      &lt;salary&gt;$10000&lt;/salary&gt;
    &lt;/employee&gt;
    &lt;employee&gt;
      &lt;name&gt;Claud&lt;/name&gt;
      &lt;age&gt;20&lt;/age&gt;
      &lt;salary&gt;$2000&lt;/salary&gt;
    &lt;/employee&gt;
  &lt;/employees&gt;
  </code></pre>
  
  <p>I want insert Data for one more employees using php.</p>
  
  <p>Regards
  NewBie</p>