title: Trying to get session ID from cookie in Codeigniter but...
body: <p>I am trying to retrieve the session id from $_REQUEST/$_COOKIE in Codeigniter.  The problem is it returns the following and I don't know how to access it:</p>
  
  <pre><code>a:4:{s:10:"session_id";s:32:"f42269d0f23d0310b0274a580c90627e";s:10:"ip_address";s:13:"128.128.128.128";s:10:"user_agent";s:50:"Mozilla/5.0 (Windows NT 6.1; rv:5.0) Gecko/2010010";s:13:"last_activity";i:1311979074;}ffcb685c182ffbbb1affd1ee49a558df
  </code></pre>
  
  <p>What in the world is that and how to I pull the session id(f42269d0f23d0310b0274a580c90627e)?</p>