title: Facebook needs the CURL PHP extension
body: <p>I'm trying to run my first facebook php application on my apache server.
  It gives error <code>Facebook needs the CURL PHP extension.</code>. I have added line <code>extension=php_curl.dll</code> in php.ini and it runs normally in phpStorm ide.
  But it still gives error in web browser when I put php files into apache directory and run server manually.</p>