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<   $curtime = time();
<   $closing_time = $curtime + (variable_get('signup_close_early', 1) * 3600);
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<     
---
>     $curtime = time();
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< 
---
>     $closing_time = $curtime + (variable_get('signup_close_early', 1) * 3600);
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<   else if(module_exists('date')) {
<     /*
<     * 1.) Get content fields 
<     * 2.) loop through content fields
<     *   3.) if date field
<     *     4.) get table
<     *     5.) Grab each event, create subject etc and grab the users
<     *     6.) compose message
<     *     7.) do closing time
<     */
<     $fields = content_fields();
<     foreach($fields as $field) {
<       if ($field['type'] == 'date' || $field['type'] == 'datestamp') {
<        $db_info = content_database_info($field);
<         $table = $db_info['table'];
<         $column = $db_info['columns']['value']['column'];
<       
<         // closing of signup nodes
<          $closing_time = $curtime + (variable_get('signup_close_early', 1) * 3600);
<          $result = db_query("SELECT s.nid FROM {signup} s INNER JOIN {". $table . "} e ON e.nid = s.nid WHERE s.status = 1 AND e." . $column . " < %d", $closing_time);
<          // Loop through the results, calling the event closing function.
<          while ($signup = db_fetch_object($result)) {
<            signup_close_signup($signup->nid, $cron = 'yes');
<            
<            $node = node_load($signup->nid);
<            foreach (module_implements('signup_close') as $module) {
<              $function = $module .'_signup_close';
<              $function($node);
<            }
<            watchdog('signup', t('Signups closed for %event by cron.', array('%event' => $node->title)), WATCHDOG_NOTICE, l(t('view'), 'node/'. $node->nid));
<          }
< 
<       }
<     }
<   }