Astra_Builder_Loader::load_markup()

		public function load_markup() {

			if ( ! defined( 'ASTRA_ADVANCED_HOOKS_POST_TYPE' ) || false === Astra_Builder_Helper::$is_header_footer_builder_active ) {
				return;
			}

			$option = array(
				'location'  => 'ast-advanced-hook-location',
				'exclusion' => 'ast-advanced-hook-exclusion',
				'users'     => 'ast-advanced-hook-users',
			);

			$result             = Astra_Target_Rules_Fields::get_instance()->get_posts_by_conditions( ASTRA_ADVANCED_HOOKS_POST_TYPE, $option );
			$header_counter     = 0;
			$footer_counter     = 0;
			$layout_404_counter = 0;

			foreach ( $result as $post_id => $post_data ) {
				$post_type = get_post_type();

				if ( ASTRA_ADVANCED_HOOKS_POST_TYPE !== $post_type ) {

					$layout = get_post_meta( $post_id, 'ast-advanced-hook-layout', false );

					if ( isset( $layout[0] ) && '404-page' == $layout[0] && 0 == $layout_404_counter ) {

						$layout_404_settings = get_post_meta( $post_id, 'ast-404-page', true );
						if ( isset( $layout_404_settings['disable_header'] ) && 'enabled' == $layout_404_settings['disable_header'] ) {
							remove_action( 'astra_header', array( Astra_Builder_Header::get_instance(), 'header_builder_markup' ) );
						}

						if ( isset( $layout_404_settings['disable_footer'] ) && 'enabled' == $layout_404_settings['disable_footer'] ) {
							remove_action( 'astra_footer', array( Astra_Builder_Footer::get_instance(), 'footer_markup' ) );
						}

						$layout_404_counter ++;
					} elseif ( isset( $layout[0] ) && 'header' == $layout[0] && 0 == $header_counter ) {
						// Remove default site's header.
						remove_action( 'astra_header', array( Astra_Builder_Header::get_instance(), 'header_builder_markup' ) );
						$header_counter++;
					} elseif ( isset( $layout[0] ) && 'footer' == $layout[0] && 0 == $footer_counter ) {
						// Remove default site's footer.
						remove_action( 'astra_footer', array( Astra_Builder_Footer::get_instance(), 'footer_markup' ) );
						$footer_counter++;
					}
				}
			}
		}