Handle previewing the setting.
(bool) False if method short-circuited due to no-op.
File: wp-includes/customize/class-wp-customize-nav-menu-setting.php
public function preview() {
if ( $this->is_previewed ) {
return false;
}
$undefined = new stdClass();
$is_placeholder = ( $this->term_id < 0 );
$is_dirty = ( $undefined !== $this->post_value( $undefined ) );
if ( ! $is_placeholder && ! $is_dirty ) {
return false;
}
$this->is_previewed = true;
$this->_original_value = $this->value();
$this->_previewed_blog_id = get_current_blog_id();
add_filter( 'wp_get_nav_menus', array( $this, 'filter_wp_get_nav_menus' ), 10, 2 );
add_filter( 'wp_get_nav_menu_object', array( $this, 'filter_wp_get_nav_menu_object' ), 10, 2 );
add_filter( 'default_option_nav_menu_options', array( $this, 'filter_nav_menu_options' ) );
add_filter( 'option_nav_menu_options', array( $this, 'filter_nav_menu_options' ) );
return true;
} | Version | Description |
|---|---|
| 4.4.0 | Added boolean return value |
| 4.3.0 | Introduced. |
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Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/classes/wp_customize_nav_menu_setting/preview