title: Where should I put the .pem files for ApnsPHP to work?
body: <p>I have my two files <code>entrust_root_certification_authority.pem</code> and <code>server_certificates_bundle_sandbox.pem</code>, but I'm not sure where I should put them. I get this error :</p>
  
  <pre><code>Fatal error: Uncaught exception 'ApnsPHP_Exception' with message 'Unable to read certificate file 'server_cerificates_bundle_sandbox.pem'' 
  </code></pre>