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EDITING: admin-bar.php

<?php
/**
 * Toolbar API: Top-level Toolbar functionality
 *
 * @package WordPress
 * @subpackage Toolbar
 * @since 3.1.0
 */

/**
 * Instantiate the admin bar object and set it up as a global for access elsewhere.
 *
 * UNHOOKING THIS FUNCTION WILL NOT PROPERLY REMOVE THE ADMIN BAR.
 * For that, use show_admin_bar(false) or the 'show_admin_bar' filter.
 *
 * @since 3.1.0
 * @access private
 *
 * @global WP_Admin_Bar $wp_admin_bar
 *
 * @return bool Whether the admin bar was successfully initialized.
 */
function _wp_admin_bar_init() {
	global $wp_admin_bar;

if ( ! is_admin_bar_showing() )
		return false;

/* Load the admin bar class code ready for instantiation */
	require_once( ABSPATH . WPINC . '/class-wp-admin-bar.php' );

/* Instantiate the admin bar */

/**
	 * Filter the admin bar class to instantiate.
	 *
	 * @since 3.1.0
	 *
	 * @param string $wp_admin_bar_class Admin bar class to use. Default 'WP_Admin_Bar'.
	 */
	$admin_bar_class = apply_filters( 'wp_admin_bar_class', 'WP_Admin_Bar' );
	if ( class_exists( $admin_bar_class ) )
		$wp_admin_bar = new $admin_bar_class;
	else
		return false;

$wp_admin_bar->initialize();
	$wp_admin_bar->add_menus();

return true;
}

/**
 * Render the admin bar to the page based on the $wp_admin_bar->menu member var.
 * This is called very late on the footer actions so that it will render after anything else being
 * added to the footer.
 *
 * It includes the action "admin_bar_menu" which should be used to hook in and
 * add new menus to the admin bar. That way you can be sure that you are adding at most optimal point,
 * right before the admin bar is rendered. This also gives you access to the $post global, among others.
 *
 * @since 3.1.0
 *
 * @global WP_Admin_Bar $wp_admin_bar
 */
function wp_admin_bar_render() {
	global $wp_admin_bar;

if ( ! is_admin_bar_showing() || ! is_object( $wp_admin_bar ) )
		return;

/**
	 * Load all necessary admin bar items.
	 *
	 * This is the hook used to add, remove, or manipulate admin bar items.
	 *
	 * @since 3.1.0
	 *
	 * @param WP_Admin_Bar $wp_admin_bar WP_Admin_Bar instance, passed by reference
	 */
	do_action_ref_array( 'admin_bar_menu', array( &$wp_admin_bar ) );

/**
	 * Fires before the admin bar is rendered.
	 *
	 * @since 3.1.0
	 */
	do_action( 'wp_before_admin_bar_render' );

$wp_admin_bar->render();

/**
	 * Fires after the admin bar is rendered.
	 *
	 * @since 3.1.0
	 */
	do_action( 'wp_after_admin_bar_render' );
}

/**
 * Add the WordPress logo menu.
 *
 * @since 3.3.0
 *
 * @param WP_Admin_Bar $wp_admin_bar
 */
function wp_admin_bar_wp_menu( $wp_admin_bar ) {
	$wp_admin_bar->add_menu( array(
		'id'    => 'wp-logo',
		'title' => '<span class="ab-icon"></span><span class="screen-reader-text">' . __( 'About WordPress' ) . '</span>',
		'href'  => self_admin_url( 'about.php' ),
	) );

if ( is_user_logged_in() ) {
		// Add "About WordPress" link
		$wp_admin_bar->add_menu( array(
			'parent' => 'wp-logo',
			'id'     => 'about',
			'title'  => __('About WordPress'),
			'href'   => self_admin_url( 'about.php' ),
		) );
	}

// Add WordPress.org link
	$wp_admin_bar->add_menu( array(
		'parent'    => 'wp-logo-external',
		'id'        => 'wporg',
		'title'     => __('WordPress.org'),
		'href'      => __('https://wordpress.org/'),
	) );

// Add codex link
	$wp_admin_bar->add_menu( array(
		'parent'    => 'wp-logo-external',
		'id'        => 'documentation',
		'title'     => __('Documentation'),
		'href'      => __('https://codex.wordpress.org/'),
	) );

// Add forums link
	$wp_admin_bar->add_menu( array(
		'parent'    => 'wp-logo-external',
		'id'        => 'support-forums',
		'title'     => __('Support Forums'),
		'href'      => __('https://wordpress.org/support/'),
	) );

// Add feedback link
	$wp_admin_bar->add_menu( array(
		'parent'    => 'wp-logo-external',
		'id'        => 'feedback',
		'title'     => __('Feedback'),
		'href'      => __('https://wordpress.org/support/forum/requests-and-feedback'),
	) );
}

/**
 * Add the sidebar toggle button.
 *
 * @since 3.8.0
 *
 * @param WP_Admin_Bar $wp_admin_bar
 */
function wp_admin_bar_sidebar_toggle( $wp_admin_bar ) {
	if ( is_admin() ) {
		$wp_admin_bar->add_menu( array(
			'id'    => 'menu-toggle',
			'title' => '<span class="ab-icon"></span><span class="screen-reader-text">' . __( 'Menu' ) . '</span>',
			'href'  => '#',
		) );
	}
}

/**
 * Add the "My Account" item.
 *
 * @since 3.3.0
 *
 * @param WP_Admin_Bar $wp_admin_bar
 */
function wp_admin_bar_my_account_item( $wp_admin_bar ) {
	$user_id      = get_current_user_id();
	$current_user = wp_get_current_user();

if ( ! $user_id )
		return;

if ( current_user_can( 'read' ) ) {
		$profile_url = get_edit_profile_url( $user_id );
	} elseif ( is_multisite() ) {
		$profile_url = get_dashboard_url( $user_id, 'profile.php' );
	} else {
		$profile_url = false;
	}

$avatar = get_avatar( $user_id, 26 );
	$howdy  = sprintf( __('Howdy, %1$s'), $current_user->display_name );
	$class  = empty( $avatar ) ? '' : 'with-avatar';

$wp_admin_bar->add_menu( array(
		'id'        => 'my-account',
		'parent'    => 'top-secondary',
		'title'     => $howdy . $avatar,
		'href'      => $profile_url,
		'meta'      => array(
			'class'     => $class,
		),
	) );
}

/**
 * Add the "My Account" submenu items.
 *
 * @since 3.1.0
 *
 * @param WP_Admin_Bar $wp_admin_bar
 */
function wp_admin_bar_my_account_menu( $wp_admin_bar ) {
	$user_id      = get_current_user_id();
	$current_user = wp_get_current_user();

if ( ! $user_id )
		return;

$wp_admin_bar->add_group( array(
		'parent' => 'my-account',
		'id'     => 'user-actions',
	) );

$user_info  = get_avatar( $user_id, 64 );
	$user_info .= "<span class='display-name'>{$current_user->display_name}</span>";

if ( $current_user->display_name !== $current_user->user_login )
		$user_info .= "<span class='username'>{$current_user->user_login}</span>";

$wp_admin_bar->add_menu( array(
		'parent' => 'user-actions',
		'id'     => 'user-info',
		'title'  => $user_info,
		'href'   => $profile_url,
		'meta'   => array(
			'tabindex' => -1,
		),
	) );

if ( false !== $profile_url ) {
		$wp_admin_bar->add_menu( array(
			'parent' => 'user-actions',
			'id'     => 'edit-profile',
			'title'  => __( 'Edit My Profile' ),
			'href'   => $profile_url,
		) );
	}

$wp_admin_bar->add_menu( array(
		'parent' => 'user-actions',
		'id'     => 'logout',
		'title'  => __( 'Log Out' ),
		'href'   => wp_logout_url(),
	) );
}

/**
 * Add the "Site Name" menu.
 *
 * @since 3.3.0
 *
 * @param WP_Admin_Bar $wp_admin_bar
 */
function wp_admin_bar_site_menu( $wp_admin_bar ) {
	// Don't show for logged out users.
	if ( ! is_user_logged_in() )
		return;

// Show only when the user is a member of this site, or they're a super admin.
	if ( ! is_user_member_of_blog() && ! is_super_admin() )
		return;

$blogname = get_bloginfo('name');

if ( ! $blogname ) {
		$blogname = preg_replace( '#^(https?://)?(www.)?#', '', get_home_url() );
	}

if ( is_network_admin() ) {
		$blogname = sprintf( __('Network Admin: %s'), esc_html( get_current_site()->site_name ) );
	} elseif ( is_user_admin() ) {
		$blogname = sprintf( __('User Dashboard: %s'), esc_html( get_current_site()->site_name ) );
	}

$title = wp_html_excerpt( $blogname, 40, '&hellip;' );

$wp_admin_bar->add_menu( array(
		'id'    => 'site-name',
		'title' => $title,
		'href'  => ( is_admin() || ! current_user_can( 'read' ) ) ? home_url( '/' ) : admin_url(),
	) );

// Create submenu items.

if ( is_admin() ) {
		// Add an option to visit the site.
		$wp_admin_bar->add_menu( array(
			'parent' => 'site-name',
			'id'     => 'view-site',
			'title'  => __( 'Visit Site' ),
			'href'   => home_url( '/' ),
		) );

if ( is_blog_admin() && is_multisite() && current_user_can( 'manage_sites' ) ) {
			$wp_admin_bar->add_menu( array(
				'parent' => 'site-name',
				'id'     => 'edit-site',
				'title'  => __( 'Edit Site' ),
				'href'   => network_admin_url( 'site-info.php?id=' . get_current_blog_id() ),
			) );
		}

} else if ( current_user_can( 'read' ) ) {
		// We're on the front end, link to the Dashboard.
		$wp_admin_bar->add_menu( array(
			'parent' => 'site-name',
			'id'     => 'dashboard',
			'title'  => __( 'Dashboard' ),
			'href'   => admin_url(),
		) );

// Add the appearance submenu items.
		wp_admin_bar_appearance_menu( $wp_admin_bar );
	}
}

/**
 * Adds the "Customize" link to the Toolbar.
 *
 * @since 4.3.0
 *
 * @param WP_Admin_Bar $wp_admin_bar WP_Admin_Bar instance.
 */
function wp_admin_bar_customize_menu( $wp_admin_bar ) {
	// Don't show for users who can't access the customizer or when in the admin.
	if ( ! current_user_can( 'customize' ) || is_admin() ) {
		return;
	}

$current_url = ( is_ssl() ? 'https://' : 'http://' ) . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'];
	$customize_url = add_query_arg( 'url', urlencode( $current_url ), wp_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' );
}

/**
 * Add the "My Sites/[Site Name]" menu and all submenus.
 *
 * @since 3.1.0
 *
 * @param WP_Admin_Bar $wp_admin_bar
 */
function wp_admin_bar_my_sites_menu( $wp_admin_bar ) {
	// Don't show for logged out users or single site mode.
	if ( ! is_user_logged_in() || ! is_multisite() )
		return;

// Show only when the user has at least one site, or they're a super admin.
	if ( count( $wp_admin_bar->user->blogs ) < 1 && ! is_super_admin() )
		return;

if ( $wp_admin_bar->user->active_blog ) {
		$my_sites_url = get_admin_url( $wp_admin_bar->user->active_blog->blog_id, 'my-sites.php' );
	} else {
		$my_sites_url = admin_url( 'my-sites.php' );
	}

$wp_admin_bar->add_menu( array(
		'id'    => 'my-sites',
		'title' => __( 'My Sites' ),
		'href'  => $my_sites_url,
	) );

if ( is_super_admin() ) {
		$wp_admin_bar->add_group( array(
			'parent' => 'my-sites',
			'id'     => 'my-sites-super-admin',
		) );

$wp_admin_bar->add_menu( array(
			'parent' => 'my-sites-super-admin',
			'id'     => 'network-admin',
			'title'  => __('Network Admin'),
			'href'   => network_admin_url(),
		) );

$wp_admin_bar->add_menu( array(
			'parent' => 'network-admin',
			'id'     => 'network-admin-d',
			'title'  => __( 'Dashboard' ),
			'href'   => network_admin_url(),
		) );
		$wp_admin_bar->add_menu( array(
			'parent' => 'network-admin',
			'id'     => 'network-admin-s',
			'title'  => __( 'Sites' ),
			'href'   => network_admin_url( 'sites.php' ),
		) );
		$wp_admin_bar->add_menu( array(
			'parent' => 'network-admin',
			'id'     => 'network-admin-u',
			'title'  => __( 'Users' ),
			'href'   => network_admin_url( 'users.php' ),
		) );
		$wp_admin_bar->add_menu( array(
			'parent' => 'network-admin',
			'id'     => 'network-admin-t',
			'title'  => __( 'Themes' ),
			'href'   => network_admin_url( 'themes.php' ),
		) );
		$wp_admin_bar->add_menu( array(
			'parent' => 'network-admin',
			'id'     => 'network-admin-p',
			'title'  => __( 'Plugins' ),
			'href'   => network_admin_url( 'plugins.php' ),
		) );
		$wp_admin_bar->add_menu( array(
			'parent' => 'network-admin',
			'id'     => 'network-admin-o',
			'title'  => __( 'Settings' ),
			'href'   => network_admin_url( 'settings.php' ),
		) );
	}

// Add site links
	$wp_admin_bar->add_group( array(
		'parent' => 'my-sites',
		'id'     => 'my-sites-list',
		'meta'   => array(
			'class' => is_super_admin() ? 'ab-sub-secondary' : '',
		),
	) );

foreach ( (array) $wp_admin_bar->user->blogs as $blog ) {
		switch_to_blog( $blog->userblog_id );

$blavatar = '<div class="blavatar"></div>';

$blogname = $blog->blogname;

if ( ! $blogname ) {
			$blogname = preg_replace( '#^(https?://)?(www.)?#', '', get_home_url() );
		}

$menu_id  = 'blog-' . $blog->userblog_id;

$wp_admin_bar->add_menu( array(
			'parent'    => 'my-sites-list',
			'id'        => $menu_id,
			'title'     => $blavatar . $blogname,
			'href'      => admin_url(),
		) );

$wp_admin_bar->add_menu( array(
			'parent' => $menu_id,
			'id'     => $menu_id . '-d',
			'title'  => __( 'Dashboard' ),
			'href'   => admin_url(),
		) );

if ( current_user_can( get_post_type_object( 'post' )->cap->create_posts ) ) {
			$wp_admin_bar->add_menu( array(
				'parent' => $menu_id,
				'id'     => $menu_id . '-n',
				'title'  => __( 'New Post' ),
				'href'   => admin_url( 'post-new.php' ),
			) );
		}

if ( current_user_can( 'edit_posts' ) ) {
			$wp_admin_bar->add_menu( array(
				'parent' => $menu_id,
				'id'     => $menu_id . '-c',
				'title'  => __( 'Manage Comments' ),
				'href'   => admin_url( 'edit-comments.php' ),
			) );
		}

$wp_admin_bar->add_menu( array(
			'parent' => $menu_id,
			'id'     => $menu_id . '-v',
			'title'  => __( 'Visit Site' ),
			'href'   => home_url( '/' ),
		) );

restore_current_blog();
	}
}

/**
 * Provide a shortlink.
 *
 * @since 3.1.0
 *
 * @param WP_Admin_Bar $wp_admin_bar
 */
function wp_admin_bar_shortlink_menu( $wp_admin_bar ) {
	$short = wp_get_shortlink( 0, 'query' );
	$id = 'get-shortlink';

if ( empty( $short ) )
		return;

$html = '<input class="shortlink-input" type="text" readonly="readonly" value="' . esc_attr( $short ) . '" />';

$wp_admin_bar->add_menu( array(
		'id' => $id,
		'title' => __( 'Shortlink' ),
		'href' => $short,
		'meta' => array( 'html' => $html ),
	) );
}

/**
 * Provide an edit link for posts and terms.
 *
 * @since 3.1.0
 *
 * @global WP_Term  $tag
 * @global WP_Query $wp_the_query
 *
 * @param WP_Admin_Bar $wp_admin_bar
 */
function wp_admin_bar_edit_menu( $wp_admin_bar ) {
	global $tag, $wp_the_query;

if ( is_admin() ) {
		$current_screen = get_current_screen();
		$post = get_post();

if ( 'post' == $current_screen->base
			&& 'add' != $current_screen->action
			&& ( $post_type_object = get_post_type_object( $post->post_type ) )
			&& current_user_can( 'read_post', $post->ID )
			&& ( $post_type_object->public )
			&& ( $post_type_object->show_in_admin_bar ) )
		{
			if ( 'draft' == $post->post_status ) {
				$preview_link = get_preview_post_link( $post );
				$wp_admin_bar->add_menu( array(
					'id' => 'preview',
					'title' => $post_type_object->labels->view_item,
					'href' => esc_url( $preview_link ),
					'meta' => array( 'target' => 'wp-preview-' . $post->ID ),
				) );
			} else {
				$wp_admin_bar->add_menu( array(
					'id' => 'view',
					'title' => $post_type_object->labels->view_item,
					'href' => get_permalink( $post->ID )
				) );
			}
		} elseif ( 'term' == $current_screen->base
			&& isset( $tag ) && is_object( $tag ) && ! is_wp_error( $tag )
			&& ( $tax = get_taxonomy( $tag->taxonomy ) )
			&& $tax->public )
		{
			$wp_admin_bar->add_menu( array(
				'id' => 'view',
				'title' => $tax->labels->view_item,
				'href' => get_term_link( $tag )
			) );
		}
	} else {
		$current_object = $wp_the_query->get_queried_object();

if ( empty( $current_object ) )
			return;

if ( ! empty( $current_object->post_type )
			&& ( $post_type_object = get_post_type_object( $current_object->post_type ) )
			&& current_user_can( 'edit_post', $current_object->ID )
			&& $post_type_object->show_in_admin_bar
			&& $edit_post_link = get_edit_post_link( $current_object->ID ) )
		{
			$wp_admin_bar->add_menu( array(
				'id' => 'edit',
				'title' => $post_type_object->labels->edit_item,
				'href' => $edit_post_link
			) );
		} elseif ( ! empty( $current_object->taxonomy )
			&& ( $tax = get_taxonomy( $current_object->taxonomy ) )
			&& current_user_can( $tax->cap->edit_terms )
			&& $edit_term_link = get_edit_term_link( $current_object->term_id, $current_object->taxonomy ) )
		{
			$wp_admin_bar->add_menu( array(
				'id' => 'edit',
				'title' => $tax->labels->edit_item,
				'href' => $edit_term_link
			) );
		}
	}
}

/**
 * Add "Add New" menu.
 *
 * @since 3.1.0
 *
 * @param WP_Admin_Bar $wp_admin_bar
 */
function wp_admin_bar_new_content_menu( $wp_admin_bar ) {
	$actions = array();

$cpts = (array) get_post_types( array( 'show_in_admin_bar' => true ), 'objects' );

if ( isset( $cpts['post'] ) && current_user_can( $cpts['post']->cap->create_posts ) )
		$actions[ 'post-new.php' ] = array( $cpts['post']->labels->name_admin_bar, 'new-post' );

if ( isset( $cpts['attachment'] ) && current_user_can( 'upload_files' ) )
		$actions[ 'media-new.php' ] = array( $cpts['attachment']->labels->name_admin_bar, 'new-media' );

if ( current_user_can( 'manage_links' ) )
		$actions[ 'link-add.php' ] = array( _x( 'Link', 'add new from admin bar' ), 'new-link' );

if ( isset( $cpts['page'] ) && current_user_can( $cpts['page']->cap->create_posts ) )
		$actions[ 'post-new.php?post_type=page' ] = array( $cpts['page']->labels->name_admin_bar, 'new-page' );

unset( $cpts['post'], $cpts['page'], $cpts['attachment'] );

// Add any additional custom post types.
	foreach ( $cpts as $cpt ) {
		if ( ! current_user_can( $cpt->cap->create_posts ) )
			continue;

$key = 'post-new.php?post_type=' . $cpt->name;
		$actions[ $key ] = array( $cpt->labels->name_admin_bar, 'new-' . $cpt->name );
	}
	// Avoid clash with parent node and a 'content' post type.
	if ( isset( $actions['post-new.php?post_type=content'] ) )
		$actions['post-new.php?post_type=content'][1] = 'add-new-content';

if ( current_user_can( 'create_users' ) || current_user_can( 'promote_users' ) )
		$actions[ 'user-new.php' ] = array( _x( 'User', 'add new from admin bar' ), 'new-user' );

if ( ! $actions )
		return;

$title = '<span class="ab-icon"></span><span class="ab-label">' . _x( 'New', 'admin bar menu group label' ) . '</span>';

$wp_admin_bar->add_menu( array(
		'id'    => 'new-content',
		'title' => $title,
		'href'  => admin_url( current( array_keys( $actions ) ) ),
	) );

foreach ( $actions as $link => $action ) {
		list( $title, $id ) = $action;

$wp_admin_bar->add_menu( array(
			'parent'    => 'new-content',
			'id'        => $id,
			'title'     => $title,
			'href'      => admin_url( $link )
		) );
	}
}

/**
 * Add edit comments link with awaiting moderation count bubble.
 *
 * @since 3.1.0
 *
 * @param WP_Admin_Bar $wp_admin_bar
 */
function wp_admin_bar_comments_menu( $wp_admin_bar ) {
	if ( !current_user_can('edit_posts') )
		return;

$awaiting_mod = wp_count_comments();
	$awaiting_mod = $awaiting_mod->moderated;
	$awaiting_text = sprintf( _n( '%s comment awaiting moderation', '%s comments awaiting moderation', $awaiting_mod ), number_format_i18n( $awaiting_mod ) );

$icon  = '<span class="ab-icon"></span>';
	$title = '<span id="ab-awaiting-mod" class="ab-label awaiting-mod pending-count count-' . $awaiting_mod . '" aria-hidden="true">' . number_format_i18n( $awaiting_mod ) . '</span>';
	$title .= '<span class="screen-reader-text">' . $awaiting_text . '</span>';

$wp_admin_bar->add_menu( array(
		'id'    => 'comments',
		'title' => $icon . $title,
		'href'  => admin_url('edit-comments.php'),
	) );
}

/**
 * Add appearance submenu items to the "Site Name" menu.
 *
 * @since 3.1.0
 *
 * @param WP_Admin_Bar $wp_admin_bar
 */
function wp_admin_bar_appearance_menu( $wp_admin_bar ) {
	$wp_admin_bar->add_group( array( 'parent' => 'site-name', 'id' => 'appearance' ) );

if ( current_user_can( 'switch_themes' ) ) {
		$wp_admin_bar->add_menu( array(
			'parent' => 'appearance',
			'id'     => 'themes',
			'title'  => __( 'Themes' ),
			'href'   => admin_url( 'themes.php' ),
		) );
	}

if ( ! current_user_can( 'edit_theme_options' ) ) {
		return;
	}

if ( current_theme_supports( 'widgets' )  ) {
		$wp_admin_bar->add_menu( array(
			'parent' => 'appearance',
			'id'     => 'widgets',
			'title'  => __( 'Widgets' ),
			'href'   => admin_url( 'widgets.php' ),
		) );
	}

if ( current_theme_supports( 'menus' ) || current_theme_supports( 'widgets' ) )
		$wp_admin_bar->add_menu( array( 'parent' => 'appearance', 'id' => 'menus', 'title' => __('Menus'), 'href' => admin_url('nav-menus.php') ) );

if ( current_theme_supports( 'custom-background' ) ) {
		$wp_admin_bar->add_menu( array(
			'parent' => 'appearance',
			'id'     => 'background',
			'title'  => __( 'Background' ),
			'href'   => admin_url( 'themes.php?page=custom-background' ),
			'meta'   => array(
				'class' => 'hide-if-customize',
			),
		) );
	}

if ( current_theme_supports( 'custom-header' ) ) {
		$wp_admin_bar->add_menu( array(
			'parent' => 'appearance',
			'id'     => 'header',
			'title'  => __( 'Header' ),
			'href'   => admin_url( 'themes.php?page=custom-header' ),
			'meta'   => array(
				'class' => 'hide-if-customize',
			),
		) );
	}

}

/**
 * Provide an update link if theme/plugin/core updates are available.
 *
 * @since 3.1.0
 *
 * @param WP_Admin_Bar $wp_admin_bar
 */
function wp_admin_bar_updates_menu( $wp_admin_bar ) {

$update_data = wp_get_update_data();

if ( !$update_data['counts']['total'] )
		return;

$title = '<span class="ab-icon"></span><span class="ab-label">' . number_format_i18n( $update_data['counts']['total'] ) . '</span>';
	$title .= '<span class="screen-reader-text">' . $update_data['title'] . '</span>';

$wp_admin_bar->add_menu( array(
		'id'    => 'updates',
		'title' => $title,
		'href'  => network_admin_url( 'update-core.php' ),
		'meta'  => array(
			'title' => $update_data['title'],
		),
	) );
}

/**
 * Add search form.
 *
 * @since 3.3.0
 *
 * @param WP_Admin_Bar $wp_admin_bar
 */
function wp_admin_bar_search_menu( $wp_admin_bar ) {
	if ( is_admin() )
		return;

$form  = '<form action="' . esc_url( home_url( '/' ) ) . '" method="get" id="adminbarsearch">';
	$form .= '<input class="adminbar-input" name="s" id="adminbar-search" type="text" value="" maxlength="150" />';
	$form .= '<label for="adminbar-search" class="screen-reader-text">' . __( 'Search' ) . '</label>';
	$form .= '<input type="submit" class="adminbar-button" value="' . __('Search') . '"/>';
	$form .= '</form>';

$wp_admin_bar->add_menu( array(
		'parent' => 'top-secondary',
		'id'     => 'search',
		'title'  => $form,
		'meta'   => array(
			'class'    => 'admin-bar-search',
			'tabindex' => -1,
		)
	) );
}

/**
 * Add secondary menus.
 *
 * @since 3.3.0
 *
 * @param WP_Admin_Bar $wp_admin_bar
 */
function wp_admin_bar_add_secondary_groups( $wp_admin_bar ) {
	$wp_admin_bar->add_group( array(
		'id'     => 'top-secondary',
		'meta'   => array(
			'class' => 'ab-top-secondary',
		),
	) );

$wp_admin_bar->add_group( array(
		'parent' => 'wp-logo',
		'id'     => 'wp-logo-external',
		'meta'   => array(
			'class' => 'ab-sub-secondary',
		),
	) );
}

/**
 * Style and scripts for the admin bar.
 *
 * @since 3.1.0
 */
function wp_admin_bar_header() { ?>
<style type="text/css" media="print">#wpadminbar { display:none; }</style>
<?php
}

/**
 * Default admin bar callback.
 *
 * @since 3.1.0
 */
function _admin_bar_bump_cb() { ?>
<style type="text/css" media="screen">
	html { margin-top: 32px !important; }
	* html body { margin-top: 32px !important; }
	@media screen and ( max-width: 782px ) {
		html { margin-top: 46px !important; }
		* html body { margin-top: 46px !important; }
	}
</style>
<?php
}

/**
 * Set the display status of the admin bar.
 *
 * This can be called immediately upon plugin load. It does not need to be called from a function hooked to the init action.
 *
 * @since 3.1.0
 *
 * @global bool $show_admin_bar
 *
 * @param bool $show Whether to allow the admin bar to show.
 */
function show_admin_bar( $show ) {
	global $show_admin_bar;
	$show_admin_bar = (bool) $show;
}

/**
 * Determine whether the admin bar should be showing.
 *
 * @since 3.1.0
 *
 * @global bool   $show_admin_bar
 * @global string $pagenow
 *
 * @return bool Whether the admin bar should be showing.
 */
function is_admin_bar_showing() {
	global $show_admin_bar, $pagenow;

// For all these types of requests, we never want an admin bar.
	if ( defined('XMLRPC_REQUEST') || defined('DOING_AJAX') || defined('IFRAME_REQUEST') )
		return false;

if ( is_embed() ) {
		return false;
	}

// Integrated into the admin.
	if ( is_admin() )
		return true;

if ( ! isset( $show_admin_bar ) ) {
		if ( ! is_user_logged_in() || 'wp-login.php' == $pagenow ) {
			$show_admin_bar = false;
		} else {
			$show_admin_bar = _get_admin_bar_pref();
		}
	}

/**
	 * Filter whether to show the admin bar.
	 *
	 * Returning false to this hook is the recommended way to hide the admin bar.
	 * The user's display preference is used for logged in users.
	 *
	 * @since 3.1.0
	 *
	 * @param bool $show_admin_bar Whether the admin bar should be shown. Default false.
	 */
	$show_admin_bar = apply_filters( 'show_admin_bar', $show_admin_bar );

return $show_admin_bar;
}

/**
 * Retrieve the admin bar display preference of a user.
 *
 * @since 3.1.0
 * @access private
 *
 * @param string $context Context of this preference check. Defaults to 'front'. The 'admin'
 * 	preference is no longer used.
 * @param int $user Optional. ID of the user to check, defaults to 0 for current user.
 * @return bool Whether the admin bar should be showing for this user.
 */
function _get_admin_bar_pref( $context = 'front', $user = 0 ) {
	$pref = get_user_option( "show_admin_bar_{$context}", $user );
	if ( false === $pref )
		return true;

return 'true' === $pref;
}

CANCEL

Name	Type	Size	Modified	Actions
↩ ..	DIR	—	—
📁 certificates/	DIR	—	2016-05-06 20:33
📁 css/	DIR	—	2016-05-06 20:33
📁 customize/	DIR	—	2016-05-06 20:33
📁 fonts/	DIR	—	2016-05-06 20:33
📁 ID3/	DIR	—	2016-05-06 20:33
📁 images/	DIR	—	2016-05-06 20:33
📁 js/	DIR	—	2016-05-06 20:33
📁 pomo/	DIR	—	2016-05-06 20:33
📁 random_compat/	DIR	—	2016-05-06 20:33
📁 rest-api/	DIR	—	2016-05-06 20:33
📁 SimplePie/	DIR	—	2016-05-06 20:33
📁 Text/	DIR	—	2016-05-06 20:33
📁 theme-compat/	DIR	—	2016-05-06 20:33
📁 widgets/	DIR	—	2016-05-06 20:33
📄 admin-bar.php	PHP	24.9 KB	2016-03-10 05:42	EDIT
📄 atomlib.php	PHP	10.9 KB	2015-06-28 17:27	EDIT
📄 author-template.php	PHP	14.9 KB	2016-01-28 04:51	EDIT
📄 bookmark-template.php	PHP	11.4 KB	2015-06-22 22:55	EDIT
📄 bookmark.php	PHP	13 KB	2015-12-19 00:01	EDIT
📄 cache.php	PHP	21.6 KB	2016-02-25 13:53	EDIT
📄 canonical.php	PHP	26.1 KB	2016-01-09 08:33	EDIT
📄 capabilities.php	PHP	18.2 KB	2016-02-07 02:27	EDIT
📄 category-template.php	PHP	45.6 KB	2016-01-13 21:16	EDIT
📄 category.php	PHP	11.2 KB	2016-03-14 14:53	EDIT
📄 class-feed.php	PHP	4.6 KB	2016-02-26 10:27	EDIT
📄 class-http.php	PHP	32.4 KB	2016-02-28 02:46	EDIT
📄 class-IXR.php	PHP	34.3 KB	2015-12-31 05:06	EDIT
📄 class-json.php	PHP	39.5 KB	2015-12-06 22:23	EDIT
📄 class-oembed.php	PHP	25.9 KB	2016-03-23 18:08	EDIT
📄 class-phpass.php	PHP	7.1 KB	2015-10-07 01:45	EDIT
📄 class-phpmailer.php	PHP	133.4 KB	2015-12-24 02:59	EDIT
📄 class-pop3.php	PHP	20.4 KB	2015-09-16 14:46	EDIT
📄 class-simplepie.php	PHP	88.3 KB	2015-09-20 05:52	EDIT
📄 class-smtp.php	PHP	36.5 KB	2015-12-24 02:59	EDIT
📄 class-snoopy.php	PHP	36.9 KB	2016-03-30 15:58	EDIT
📄 class-walker-category-dropdown.php	PHP	2.1 KB	2016-03-22 18:22	EDIT
📄 class-walker-category.php	PHP	6.6 KB	2016-03-22 18:30	EDIT
📄 class-walker-comment.php	PHP	11 KB	2016-03-22 18:46	EDIT
📄 class-walker-page-dropdown.php	PHP	2.3 KB	2016-03-22 18:53	EDIT
📄 class-walker-page.php	PHP	5.2 KB	2016-03-22 19:07	EDIT
📄 class-wp-admin-bar.php	PHP	16.3 KB	2016-03-03 16:58	EDIT
📄 class-wp-ajax-response.php	PHP	5 KB	2016-03-18 12:59	EDIT
📄 class-wp-comment-query.php	PHP	39.1 KB	2016-03-03 17:02	EDIT
📄 class-wp-comment.php	PHP	9.2 KB	2016-01-17 16:00	EDIT
📄 class-wp-customize-control.php	PHP	19 KB	2016-02-24 19:28	EDIT
📄 class-wp-customize-manager.php	PHP	64.2 KB	2016-03-24 03:02	EDIT
📄 class-wp-customize-nav-menus.php	PHP	36.8 KB	2016-03-21 22:59	EDIT
📄 class-wp-customize-panel.php	PHP	9.4 KB	2016-03-03 00:10	EDIT
📄 class-wp-customize-section.php	PHP	9.1 KB	2015-10-24 20:21	EDIT
📄 class-wp-customize-setting.php	PHP	24.6 KB	2016-04-07 22:59	EDIT
📄 class-wp-customize-widgets.php	PHP	62.3 KB	2016-04-07 22:59	EDIT
📄 class-wp-editor.php	PHP	51 KB	2016-04-06 00:24	EDIT
📄 class-wp-embed.php	PHP	11.6 KB	2016-03-12 13:39	EDIT
📄 class-wp-error.php	PHP	4.9 KB	2015-05-24 07:40	EDIT
📄 class-wp-http-cookie.php	PHP	6 KB	2015-09-26 09:04	EDIT
📄 class-wp-http-curl.php	PHP	11.5 KB	2016-03-12 13:39	EDIT
📄 class-wp-http-encoding.php	PHP	6.3 KB	2015-09-03 05:28	EDIT
📄 class-wp-http-ixr-client.php	PHP	3.2 KB	2015-09-15 18:16	EDIT
📄 class-wp-http-proxy.php	PHP	5.8 KB	2016-01-28 04:35	EDIT
📄 class-wp-http-response.php	PHP	3 KB	2015-10-08 21:27	EDIT
📄 class-wp-http-streams.php	PHP	14.6 KB	2015-12-15 00:54	EDIT
📄 class-wp-image-editor-gd.php	PHP	13.2 KB	2015-10-31 21:50	EDIT
📄 class-wp-image-editor-imagick.php	PHP	20.4 KB	2016-04-19 22:46	EDIT
📄 class-wp-image-editor.php	PHP	11.8 KB	2016-02-22 23:19	EDIT
📄 class-wp-meta-query.php	PHP	22 KB	2016-02-26 18:10	EDIT
📄 class-wp-metadata-lazyloader.php	PHP	5.4 KB	2016-03-09 17:59	EDIT
📄 class-wp-network.php	PHP	8.9 KB	2016-01-18 03:59	EDIT
📄 class-wp-oembed-controller.php	PHP	2 KB	2015-11-17 12:27	EDIT
📄 class-wp-post.php	PHP	5.7 KB	2015-10-15 01:44	EDIT
📄 class-wp-rewrite.php	PHP	58.6 KB	2016-03-10 21:01	EDIT
📄 class-wp-role.php	PHP	2.7 KB	2015-12-14 21:05	EDIT
📄 class-wp-roles.php	PHP	6.8 KB	2016-01-28 04:35	EDIT
📄 class-wp-site.php	PHP	3.8 KB	2016-02-07 03:13	EDIT
📄 class-wp-tax-query.php	PHP	19.1 KB	2015-12-14 03:50	EDIT
📄 class-wp-term.php	PHP	5.3 KB	2016-01-10 02:26	EDIT
📄 class-wp-theme.php	PHP	42.6 KB	2016-02-26 18:23	EDIT
📄 class-wp-user-query.php	PHP	25.6 KB	2016-01-28 04:51	EDIT
📄 class-wp-user.php	PHP	19.1 KB	2016-01-28 04:51	EDIT
📄 class-wp-walker.php	PHP	12.1 KB	2015-12-12 02:06	EDIT
📄 class-wp-widget-factory.php	PHP	1.9 KB	2016-03-23 05:51	EDIT
📄 class-wp-widget.php	PHP	17.5 KB	2016-03-23 06:32	EDIT
📄 class-wp-xmlrpc-server.php	PHP	193.9 KB	2016-03-22 16:10	EDIT
📄 class-wp.php	PHP	25 KB	2016-03-09 18:05	EDIT
📄 class.wp-dependencies.php	PHP	12.8 KB	2016-03-14 23:39	EDIT
📄 class.wp-scripts.php	PHP	14.3 KB	2016-04-10 05:33	EDIT
📄 class.wp-styles.php	PHP	9.9 KB	2016-03-06 20:50	EDIT
📄 comment-template.php	PHP	82.4 KB	2016-03-10 03:32	EDIT
📄 comment.php	PHP	93.2 KB	2016-03-12 13:39	EDIT
📄 compat.php	PHP	12.9 KB	2016-02-07 02:18	EDIT
📄 cron.php	PHP	14.9 KB	2016-01-14 18:30	EDIT
📄 date.php	PHP	34.4 KB	2015-12-06 22:50	EDIT
📄 default-constants.php	PHP	9 KB	2015-12-22 14:02	EDIT
📄 default-filters.php	PHP	23.1 KB	2016-03-10 00:44	EDIT
📄 default-widgets.php	PHP	1.5 KB	2015-09-22 15:36	EDIT
📄 deprecated.php	PHP	105.5 KB	2016-03-30 17:29	EDIT
📄 embed-template.php	PHP	342 B	2016-02-27 22:22	EDIT
📄 embed.php	PHP	42.8 KB	2016-03-10 03:55	EDIT
📄 feed-atom-comments.php	PHP	4.8 KB	2015-10-20 18:21	EDIT
📄 feed-atom.php	PHP	3 KB	2015-11-04 18:47	EDIT
📄 feed-rdf.php	PHP	2.6 KB	2015-10-20 18:21	EDIT
📄 feed-rss.php	PHP	1.2 KB	2015-10-20 18:21	EDIT
📄 feed-rss2-comments.php	PHP	3.6 KB	2015-10-20 18:21	EDIT
📄 feed-rss2.php	PHP	3.7 KB	2015-11-04 18:47	EDIT
📄 feed.php	PHP	18.5 KB	2016-04-21 21:28	EDIT
📄 formatting.php	PHP	154.8 KB	2016-04-20 16:08	EDIT
📄 functions.php	PHP	158.4 KB	2016-04-21 22:18	EDIT
📄 functions.wp-scripts.php	PHP	10.7 KB	2016-03-14 23:37	EDIT
📄 functions.wp-styles.php	PHP	7.7 KB	2016-03-14 23:37	EDIT
📄 general-template.php	PHP	115.2 KB	2016-03-30 19:20	EDIT
📄 http.php	PHP	19.2 KB	2016-03-30 17:38	EDIT
📄 kses.php	PHP	48.9 KB	2016-02-07 01:18	EDIT
📄 l10n.php	PHP	34.7 KB	2016-02-28 21:43	EDIT
📄 link-template.php	PHP	123.3 KB	2016-03-10 18:48	EDIT
📄 load.php	PHP	25.8 KB	2016-02-18 17:43	EDIT
📄 locale.php	PHP	14.3 KB	2015-12-16 19:08	EDIT
📄 media-template.php	PHP	44.4 KB	2015-11-07 17:12	EDIT
📄 media.php	PHP	129.2 KB	2016-03-18 20:45	EDIT
📄 meta.php	PHP	29.6 KB	2016-03-10 18:50	EDIT
📄 ms-blogs.php	PHP	26.9 KB	2016-03-09 08:42	EDIT
📄 ms-default-constants.php	PHP	4.6 KB	2016-02-29 04:17	EDIT
📄 ms-default-filters.php	PHP	4.4 KB	2015-09-17 00:19	EDIT
📄 ms-deprecated.php	PHP	11.9 KB	2016-02-26 10:16	EDIT
📄 ms-files.php	PHP	2.5 KB	2015-06-16 22:01	EDIT
📄 ms-functions.php	PHP	78.3 KB	2016-03-09 08:50	EDIT
📄 ms-load.php	PHP	11.7 KB	2015-11-18 18:42	EDIT
📄 ms-settings.php	PHP	8.9 KB	2016-01-25 22:51	EDIT
📄 nav-menu-template.php	PHP	25.6 KB	2015-12-24 01:21	EDIT
📄 nav-menu.php	PHP	32.2 KB	2016-03-08 19:25	EDIT
📄 option.php	PHP	51.2 KB	2016-01-09 04:12	EDIT
📄 pluggable-deprecated.php	PHP	6.1 KB	2016-02-23 23:26	EDIT
📄 pluggable.php	PHP	82.3 KB	2016-03-17 09:06	EDIT
📄 plugin.php	PHP	31.7 KB	2016-01-25 19:58	EDIT
📄 post-formats.php	PHP	6.8 KB	2015-08-25 22:28	EDIT
📄 post-template.php	PHP	54.2 KB	2016-04-19 23:27	EDIT
📄 post-thumbnail-template.php	PHP	7 KB	2015-10-12 19:00	EDIT
📄 post.php	PHP	201.5 KB	2016-04-07 21:22	EDIT
📄 query.php	PHP	139.4 KB	2016-03-23 22:54	EDIT
📄 registration-functions.php	PHP	176 B	2012-01-08 18:01	EDIT
📄 registration.php	PHP	176 B	2012-01-08 18:01	EDIT
📄 rest-api.php	PHP	17.8 KB	2016-03-10 19:49	EDIT
📄 revision.php	PHP	19.9 KB	2016-02-24 01:44	EDIT
📄 rewrite.php	PHP	16.8 KB	2016-03-12 13:39	EDIT
📄 rss-functions.php	PHP	189 B	2013-09-25 02:18	EDIT
📄 rss.php	PHP	22.8 KB	2015-08-25 22:28	EDIT
📄 script-loader.php	PHP	55.8 KB	2016-05-06 19:52	EDIT
📄 session.php	PHP	10.1 KB	2016-01-09 02:45	EDIT
📄 shortcodes.php	PHP	18.9 KB	2015-12-26 05:46	EDIT
📄 taxonomy.php	PHP	166.7 KB	2016-03-30 19:13	EDIT
📄 template-loader.php	PHP	2.9 KB	2016-03-07 20:33	EDIT
📄 template.php	PHP	15.5 KB	2016-03-10 23:45	EDIT
📄 theme.php	PHP	65.4 KB	2016-03-30 04:22	EDIT
📄 update.php	PHP	22.8 KB	2016-03-16 17:15	EDIT
📄 user.php	PHP	81.1 KB	2016-03-16 17:21	EDIT
📄 vars.php	PHP	5.2 KB	2016-03-03 04:25	EDIT
📄 version.php	PHP	648 B	2016-06-05 18:17	EDIT
📄 widgets.php	PHP	47 KB	2016-02-25 13:53	EDIT
📄 wlwmanifest.xml	XML	1 KB	2013-12-11 20:49	EDIT
📄 wp-db.php	PHP	90.5 KB	2016-04-22 07:24	EDIT
📄 wp-diff.php	PHP	14.7 KB	2015-09-20 05:52	EDIT