function handle_delete_events_cache()
 {
     if (!function_exists('rhc_handle_delete_events_cache')) {
         require_once RHC_PATH . 'includes/function.rhc_handle_delete_events_cache.php';
     }
     rhc_handle_delete_events_cache();
 }
 function pop_handle_save($pop)
 {
     global $rhc_plugin;
     if ($rhc_plugin->options_varname != $pop->options_varname) {
         return;
     }
     update_option('rhc_flush_rewrite_rules', true);
     if (isset($_POST['btn_clear_event_color'])) {
         if (current_user_can($rhc_plugin->options_capability)) {
             global $wpdb;
             $sql = "DELETE FROM `{$wpdb->postmeta}` WHERE meta_key IN ('fc_color','fc_text_color');";
             $wpdb->query($sql);
         }
     }
     if (isset($_POST['btn_wp41_empty_posts_bug'])) {
         if (current_user_can($rhc_plugin->options_capability)) {
             global $wpdb;
             $sql = sprintf("UPDATE `{$wpdb->posts}` SET `post_content`=' ' WHERE TRIM(post_title)='' AND TRIM(post_content)='' AND TRIM(post_excerpt)='' AND post_type='%s';", RHC_EVENTS);
             $wpdb->query($sql);
         }
     }
     add_action('admin_init', array(&$this, 'save_file_cache'));
     //so that insert with markers is defined.
     if (isset($_POST['rhc_cache_clear'])) {
         if (!function_exists('rhc_handle_delete_events_cache')) {
             require_once RHC_PATH . 'includes/function.rhc_handle_delete_events_cache.php';
         }
         rhc_handle_delete_events_cache();
         //Note: currently only saving options clears cache. but that may change. keep this just in case.
     }
 }
 function handle_delete_events_cache()
 {
     global $rhc_plugin, $wpdb;
     if ('1' != $rhc_plugin->get_option('disable_rhc_cache', '', true)) {
         //clear cache.
         if (!function_exists('rhc_handle_delete_events_cache')) {
             require_once RHC_PATH . 'includes/function.rhc_handle_delete_events_cache.php';
         }
         rhc_handle_delete_events_cache();
     }
 }