WP_Customize_Nav_Menus::filter_wp_nav_menu( string $nav_menu_content, object $args )

Prepares wp_nav_menu() calls for partial refresh.


Description

Injects attributes into container element.

See also


Parameters

$nav_menu_content

(Required) The HTML content for the navigation menu.

$args

(Required) An object containing wp_nav_menu() arguments.


Return

(string) Nav menu HTML with selective refresh attributes added if partial can be refreshed.


Source

File: wp-includes/class-wp-customize-nav-menus.php

	public function filter_wp_nav_menu( $nav_menu_content, $args ) {
		if ( isset( $args->customize_preview_nav_menus_args['can_partial_refresh'] ) && $args->customize_preview_nav_menus_args['can_partial_refresh'] ) {
			$attributes = sprintf( ' data-customize-partial-id="%s"', esc_attr( 'nav_menu_instance[' . $args->customize_preview_nav_menus_args['args_hmac'] . ']' ) );
			$attributes .= ' data-customize-partial-type="nav_menu_instance"';
			$attributes .= sprintf( ' data-customize-partial-placement-context="%s"', esc_attr( wp_json_encode( $args->customize_preview_nav_menus_args ) ) );
			$nav_menu_content = preg_replace( '#^(<\w+)#', '$1 ' . str_replace( '\\', '\\\\', $attributes ), $nav_menu_content, 1 );
		}
		return $nav_menu_content;
	}


Changelog

Changelog
Version Description
WP-4.3.0 Introduced.