/* Change Sidebar for Single Post || Example change by ID and Category */
function spesific_sidebar_for_single_post( $sidebar, $post_id ) {
	if ( in_array( $post_id, array( '54309' ) ) ) { /* Check by ID Post */
		$sidebar = 'footer-widget-1';
	}

	if ( in_category( 'startup', $post_id ) ) { /* Check by Category Post */
		$sidebar = 'footer-widget-2';
	}
	return $sidebar;
}
add_filter( 'jnews_single_post_sidebar', 'spesific_sidebar_for_single_post', null, 2 );