WP_Admin_Bar::initialize()

Initializes the admin bar.

Source

public function initialize() {
	$this->user = new stdClass();

	if ( is_user_logged_in() ) {
		/* Populate settings we need for the menu based on the current user. */
		$this->user->blogs = get_blogs_of_user( get_current_user_id() );
		if ( is_multisite() ) {
			$this->user->active_blog    = get_active_blog_for_user( get_current_user_id() );
			$this->user->domain         = empty( $this->user->active_blog ) ? user_admin_url() : trailingslashit( get_home_url( $this->user->active_blog->blog_id ) );
			$this->user->account_domain = $this->user->domain;
		} else {
			$this->user->active_blog    = $this->user->blogs[ get_current_blog_id() ];
			$this->user->domain         = trailingslashit( home_url() );
			$this->user->account_domain = $this->user->domain;
		}
	}

	add_action( 'wp_head', 'wp_admin_bar_header' );

	add_action( 'admin_head', 'wp_admin_bar_header' );

	if ( current_theme_supports( 'admin-bar' ) ) {
		/**
		 * To remove the default padding styles from WordPress for the Toolbar, use the following code:
		 * add_theme_support( 'admin-bar', array( 'callback' => '__return_false' ) );
		 */
		$admin_bar_args  = get_theme_support( 'admin-bar' );
		$header_callback = $admin_bar_args[0]['callback'];
	}

	if ( empty( $header_callback ) ) {
		$header_callback = '_admin_bar_bump_cb';
	}

	add_action( 'wp_head', $header_callback );

	wp_enqueue_script( 'admin-bar' );
	wp_enqueue_style( 'admin-bar' );

	/**
	 * Fires after WP_Admin_Bar is initialized.
	 *
	 * @since 3.1.0
	 */
	do_action( 'admin_bar_init' );
}

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Hooks

do_action( ‘admin_bar_init’ ): Fires after WP_Admin_Bar is initialized.

Uses	Description
wp_enqueue_script()`wp-includes/functions.wp-scripts.php`	Enqueues a script.
get_theme_support()`wp-includes/theme.php`	Gets the theme support arguments passed when registering that support.
user_admin_url()`wp-includes/link-template.php`	Retrieves the URL to the admin area for the current user.
get_home_url()`wp-includes/link-template.php`	Retrieves the URL for a given site where the front end is accessible.
wp_enqueue_style()`wp-includes/functions.wp-styles.php`	Enqueues a CSS stylesheet.
get_blogs_of_user()`wp-includes/user.php`	Gets the sites a user belongs to.
get_active_blog_for_user()`wp-includes/ms-functions.php`	Gets one of a user’s active blogs.
current_theme_supports()`wp-includes/theme.php`	Checks a theme’s support for a given feature.
trailingslashit()`wp-includes/formatting.php`	Appends a trailing slash.
is_user_logged_in()`wp-includes/pluggable.php`	Determines whether the current visitor is a logged in user.
is_multisite()`wp-includes/load.php`	Determines whether Multisite is enabled.
get_current_blog_id()`wp-includes/load.php`	Retrieves the current site ID.
home_url()`wp-includes/link-template.php`	Retrieves the URL for the current site where the front end is accessible.
add_action()`wp-includes/plugin.php`	Adds a callback function to an action hook.
do_action()`wp-includes/plugin.php`	Calls the callback functions that have been added to an action hook.
get_current_user_id()`wp-includes/user.php`	Gets the current user’s ID.

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Used by	Description
_wp_admin_bar_init()`wp-includes/admin-bar.php`	Instantiates the admin bar object and set it up as a global for access elsewhere.

Changelog

Version	Description
3.1.0	Introduced.

In this article

Source

Hooks

Changelog

User Contributed Notes

WP_Admin_Bar::initialize()

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Source

Hooks

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Changelog

User Contributed Notes