blindsidenetworks / moodle-mod_bigbluebuttonbn

            $file = reset($files);

            unset($files);

            $pnoncevalue = null;

            if (!is_null($id)) {

                // Create the nonce component for granting a temporary public access.

                $cache = cache::make_from_params(

                    cache_store::MODE_APPLICATION,

                    'mod_bigbluebuttonbn',

                    'presentationdefault_cache'

                );

                $pnoncekey = sha1(context_system::instance()->id);

                /* The item id was adapted for granting public access to the presentation once in order

                 * to allow BigBlueButton to gather the file. */

                $pnoncevalue = bigbluebuttonbn_generate_nonce();

                $cache->set($pnoncekey, array('value' => $pnoncevalue, 'counter' => 0));

            }

    $file = reset($files);

    unset($files);

    $pnoncevalue = null;

    if (!is_null($id)) {

        // Create the nonce component for granting a temporary public access.

        $cache = cache::make_from_params(

            cache_store::MODE_APPLICATION,

            'mod_bigbluebuttonbn',

            'presentation_cache'

        );

        $pnoncekey = sha1($id);

        /* The item id was adapted for granting public access to the presentation once in order

         * to allow BigBlueButton to gather the file. */

        $pnoncevalue = bigbluebuttonbn_generate_nonce();

        $cache->set($pnoncekey, array('value' => $pnoncevalue, 'counter' => 0));

    }