/* Hide Featured Image for Spesific Category */
function hide_featured_image_for_spesific_category( $default, $post_id, $key ) {
	if ( is_single() && is_singular() ) {
		if ( 'jnews_primary_category.id' !== $key ) {
			$post = get_post();
			if ( is_object( $post ) && $post->ID ) {
				$post_cat      = get_the_category( $post->ID );
				$primary_cat   = jnews_get_primary_category( $post->ID );
				$primary_cat   = get_category( $primary_cat );
				$post_cat_slug = array();

				array_push( $post_cat, $primary_cat );

				/* Get Category Slug */
				foreach ( $post_cat as $cat ) {
					if ( ! is_wp_error( $cat ) && isset( $cat->slug ) ) {
						array_push( $post_cat_slug, $cat->slug );
					}
				}

				if ( in_array( 'gaming', $post_cat_slug ) ) { /* `gaming` is slug category you want to disable Featured Image */
					if ( 'jnews_single_post.override_template' === $key ) {
						return true;
					}
					if ( 'jnews_single_post.override.0.show_featured' === $key ) {
						return false;
					}
				}
			}
		}
	}

	return $default;
}
add_filter( 'jeg_vp_metabox', 'hide_featured_image_for_spesific_category', null, 3 );