将“自定义”链接添加到工具栏。

原型

wp_admin_bar_customize_menu( WP_Admin_Bar $wp_admin_bar )

参数

$wp_admin_bar (WP_Admin_Bar) (Required) WP_Admin_Bar实例。

源文件

路径:wp-includes/admin-bar.php

<?php
...
function wp_admin_bar_customize_menu( $wp_admin_bar ) {
	global $wp_customize;
	// Don't show for users who can't access the customizer or when in the admin.
	if ( ! current_user_can( 'customize' ) || is_admin() ) {
		return;
	}
	// Don't show if the user cannot edit a given customize_changeset post currently being previewed.
	if ( is_customize_preview() && $wp_customize->changeset_post_id() && ! current_user_can( get_post_type_object( 'customize_changeset' )->cap->edit_post, $wp_customize->changeset_post_id() ) ) {
		return;
	}
	$current_url = ( is_ssl() ? 'https://' : 'http://' ) . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'];
	if ( is_customize_preview() && $wp_customize->changeset_uuid() ) {
		$current_url = remove_query_arg( 'customize_changeset_uuid', $current_url );
	}
	$customize_url = add_query_arg( 'url', urlencode( $current_url ), wp_customize_url() );
	if ( is_customize_preview() ) {
		$customize_url = add_query_arg( array( 'changeset_uuid' => $wp_customize->changeset_uuid() ), $customize_url );
	}
	$wp_admin_bar->add_menu( array(
		'id'     => 'customize',
		'title'  => __( 'Customize' ),
		'href'   => $customize_url,
		'meta'   => array(
			'class' => 'hide-if-no-customize',
		),
	) );
	add_action( 'wp_before_admin_bar_render', 'wp_customize_support_script' );
}
...
?>

其他

英文文档:https://developer.wordpress.org/reference/functions/wp_admin_bar_customize_menu/