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_wp_menus_changed()

_wp_menus_changed()

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This function’s access is marked private. This means it is not intended for use by plugin or theme developers, only in other core functions. It is listed here for completeness.

Handles menu config after theme change.

Source

function _wp_menus_changed() {
	$old_nav_menu_locations    = get_option( 'theme_switch_menu_locations', array() );
	$new_nav_menu_locations    = get_nav_menu_locations();
	$mapped_nav_menu_locations = wp_map_nav_menu_locations( $new_nav_menu_locations, $old_nav_menu_locations );

	set_theme_mod( 'nav_menu_locations', $mapped_nav_menu_locations );
	delete_option( 'theme_switch_menu_locations' );
}

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UsesDescription
wp_map_nav_menu_locations()wp-includes/nav-menu.php

Maps nav menu locations according to assignments in previously active theme.

set_theme_mod()wp-includes/theme.php

Updates theme modification value for the active theme.

delete_option()wp-includes/option.php

Removes an option by name. Prevents removal of protected WordPress options.

get_nav_menu_locations()wp-includes/nav-menu.php

Retrieves all registered navigation menu locations and the menus assigned to them.

get_option()wp-includes/option.php

Retrieves an option value based on an option name.

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Changelog

VersionDescription
4.9.0Introduced.

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