title: Retrieve The link value form <a href> tag using php
body: <p>I need to extract the link value which is stored in a <code>&lt;a href&gt;</code>tag by using php code.</p>
  
  <pre><code>&lt;a href="http://stackoverflow.com/questions/ask"&gt;&lt;/a&gt;
  </code></pre>
  
  <p>From the above code i want to extract the link <code>http://stackoverflow.com/questions/ask</code> using php code.</p>