There is PHP error "Filename cannot be empty" when someone tries to instantiate SimplePie_File object with bad URI (e.g. URI without schema "www.vg.no/rss/create.php?categories=21,20&keywords=&limit=10")
…che class now, haven't tested
… Cache_MySQL Recursive Merge Array function that keeps values in array1 unless there are values with the same keys in array2. Only called from MySQL Cache Class for now.