title: mysqli_connect(): (HY000/2002): Connection timed out on hosting
body: <p>I am trying to connect mysql database using php. But it is running fine on local machine but not when hosted online and error appeared as 
  mysqli_connect(): (HY000/2002): Connection timed out</p>
  
  <pre><code>&lt;?php
  
  $link = mysqli_connect('sql6.freesqldatabase.com','user_name','password','database_name');
  if(mysqli_connect_error())
      die("couldn't connect to database");
  ?&gt;
  </code></pre>