title: PHP Function to count no. of yahoo backlinks
body: <p>I am using this code to check but not getting result. Here I am trying to get backlinks of google.com in yahoo.</p>
  
  <pre><code>$url = "http://www.google.com";
  $page = file_get_contents("http://siteexplorer.search.yahoo.com/search?p=$url&amp;bwm=i&amp;bwmf=a&amp;bwms=p");    
  $expression = '/&lt;span class="btn"&gt;Inlinks \((.*)\)&lt;i class="tl"&gt;&lt;\/i&gt;/Us';  
  preg_match($expression, $page, $matches);   
  print_r($matches);
  </code></pre>