title: Warning: mysql_real_escape_string() [function.mysql-real-escape-string]: A link to the server could not be established in
body: <p>I got this warning message when executing my PHP script in Internet webserver, but in local wamp it is working without warnings. what is the reason ?</p>
  
  <pre><code>Warning: mysql_real_escape_string() [function.mysql-real-escape-string]: A link to the server could not be established in /home/deport/public_html/abc/index.php on line 209
  </code></pre>