ID; $ld_related_course_position = Upstudy::setting( 'ld_related_course_position' ); $ld_single_social_shear = Upstudy::setting( 'ld_single_social_shear' ); $ld_single_course_info = Upstudy::setting( 'ld_single_course_info' ); $ld_single_course_cat = Upstudy::setting( 'ld_single_course_cat' ); $ld_single_course_price = Upstudy::setting( 'ld_single_course_price' ); $ld_single_enroll_btn = Upstudy::setting( 'ld_single_enroll_btn' ); $ld_single_course_graduation = Upstudy::setting( 'ld_single_course_graduation' ); $ld_single_course_time = Upstudy::setting( 'ld_single_course_time' ); $ld_single_progress = Upstudy::setting( 'ld_single_progress' ); $ld_intro_video_position = Upstudy::setting( 'ld_intro_video_position' ); $ld_single_sidebar_sticky = Upstudy::setting( 'ld_single_sidebar_sticky' ); $sidebar_sticky_on_off = ( $ld_single_sidebar_sticky ? 'do_sticky' : ''); $ld_single_page_layout = Upstudy::setting( 'ld_single_page_layout' ); echo '';