SELECT CASE b.ref_par WHEN '02' THEN IFNULL(a.sys_fdr, b.sys_fdr) ELSE a.sys_fdr END AS sys_fdr, a.ref_par, a.sno, a.art_level, 
						a.art_head AS art_head, a.publish_sort
					FROM `article` a 
					INNER JOIN `article` b ON a.art_level=b.sno					
					WHERE a.art_level=:level AND a.publish_status>0 AND SUBSTR(a.publish_lang,,1)=:lang
					ORDER BY a.publish_sort DESCArray
(
    [level] => 12
    [lang] => 
)
Unhandled Exception. <br />SQLSTATE[42000]: Syntax error or access violation: 1064 You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '1)=?
					ORDER BY a.publish_sort DESC' at line 5<br /> You can find the error back in the log.