SELECT id,keywords,from_user,create_date,create_time,course_id,course_subject_id,subject,content,content_type,is_html,is_practice FROM course_sub_subject WHERE id <40412 and active=1 and content_type=0 and course_id= ORDER BY id DESC LIMIT 1 You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'ORDER BY id DESC LIMIT 1' at line 1خطا در داده
نکته PHP - سال حق چاپ خودکار(PHP Tip - Automatic Copyright Year)