pierre@0: <?php
pierre@0: // $Id: external.inc,v 1.1.2.1.2.2 2009/02/16 17:06:48 jeremy Exp $
pierre@0: 
pierre@0: /**
pierre@0:  * @file
pierre@0:  * Loads external ad.
pierre@0:  *
pierre@0:  * Copyright (c) 2006-2009.
pierre@0:  *   Jeremy Andrews <jeremy@tag1consulting.com>.
pierre@0:  */
pierre@0: 
pierre@0: adserve_variable('ad_dir', getcwd() .'/');
pierre@0: 
pierre@0: // Attempt to utilize the file cache, if enabled.
pierre@0: if (function_exists('ad_cache_file_get_lock')) {
pierre@0: 
pierre@0:   // Find the top level Drupal directory so we can access the cache files.
pierre@0:   for ($i = 1; $i <= 20; $i++) {
pierre@0:     if (file_exists('./includes/bootstrap.inc')) {
pierre@0:       break;
pierre@0:     }
pierre@0:     chdir('..');
pierre@0:   }
pierre@0:   adserve_variable('root_dir', getcwd());
pierre@0: 
pierre@0:   $cache_file = ad_cache_file_get_lock();
pierre@0:   if ($cache_file) {
pierre@0:     $cache = unserialize(fread(adserve_variable('fd'), filesize($cache_file)));
pierre@0:     if (isset($cache['ad_external'])) {
pierre@0:       $aid = adserve_variable('nids');
pierre@0:       if ($aid && isset($cache['ad_external'][$aid]['contents'])) {
pierre@0:         print $cache['ad_external'][$aid]['contents'];
pierre@0:         exit(0);
pierre@0:       }
pierre@0:     }
pierre@0:   }
pierre@0: }