(string) 
			SELECT c.url
			FROM channel AS c
			WHERE c.channel_id = ?
			AND c.status = 1
			GROUP BY c.channel_id
			LIMIT 1
(string) 
			SELECT c.url
			FROM channel AS c
			WHERE c.channel_id = ?
			AND c.status = 1
			GROUP BY c.channel_id
			LIMIT 1
MySQLi query has prepared entries, but no types or variables specified!