title: php connect to mysql db in cloud 9?
body: <p>I usually connect php to mysql with localhost in my PC..
  now i'm trying to put my project in cloud <a href="https://c9.io" rel="nofollow">https://c9.io</a> ,but i can't connect to mysql. i already have mysql database in cloud and put my project in same place...  </p>
  
  <pre><code>mysql_connect("/lib/mysql/socket/mysql.sock","myUser","") or die(mysql_error());
  </code></pre>
  
  <p>i use script above to connect but i get <code>Unknown MySQL server host '/lib/mysql/socket/mysql.sock' (1)</code></p>
  
  <p>what shoul i do ?</p>