MIN_UPDATE_INTERVAL -> DEFAULT_UPDATE_INTERVAL

config.php-dist

@@ -30,8 +30,8 @@
 	// crafted SQL queries. This feature is highly experimental and
 	// at this point not user friendly. Use with caution.
 
-	define(MIN_UPDATE_INTERVAL, 30);
-	// min. interval between feed updates, minutes
+	define(DEFAULT_UPDATE_INTERVAL, 30);
+	// default interval between feed updates, minutes
 
  	define(DISPLAY_HEADER, true);
  	// enable/disable the display of the header graphic

functions.php

@@ -31,7 +31,7 @@
 		while ($line = db_fetch_assoc($result)) {
 			$upd_intl = $line["update_interval"];
 
-			if (!$upd_intl) $upd_intl = MIN_UPDATE_INTERVAL;
+			if (!$upd_intl || $upd_intl == 0) $upd_intl = DEFAULT_UPDATE_INTERVAL;
 
 			if (!$line["last_updated"] || 
 				time() - strtotime($line["last_updated"]) > ($upd_intl * 60)) {