wp_admin_bar_edit_menu( WP_Admin_Bar $wp_admin_bar )

Source

function wp_admin_bar_edit_menu( $wp_admin_bar ) {
	global $tag, $wp_the_query, $user_id, $post_id;

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

		if ( 'post' === $current_screen->base ) {
			$post_type_object = get_post_type_object( $post->post_type );
		} elseif ( 'edit' === $current_screen->base ) {
			$post_type_object = get_post_type_object( $current_screen->post_type );
		} elseif ( 'edit-comments' === $current_screen->base && $post_id ) {
			$post = get_post( $post_id );
			if ( $post ) {
				$post_type_object = get_post_type_object( $post->post_type );
			}
		}

		if ( ( 'post' === $current_screen->base || 'edit-comments' === $current_screen->base )
			&& 'add' !== $current_screen->action
			&& ( $post_type_object )
			&& 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_node(
					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_node(
					array(
						'id'    => 'view',
						'title' => $post_type_object->labels->view_item,
						'href'  => get_permalink( $post->ID ),
					)
				);
			}
		} elseif ( 'edit' === $current_screen->base
			&& ( $post_type_object )
			&& ( $post_type_object->public )
			&& ( $post_type_object->show_in_admin_bar )
			&& ( get_post_type_archive_link( $post_type_object->name ) )
			&& ! ( 'post' === $post_type_object->name && 'posts' === get_option( 'show_on_front' ) ) ) {
			$wp_admin_bar->add_node(
				array(
					'id'    => 'archive',
					'title' => $post_type_object->labels->view_items,
					'href'  => get_post_type_archive_link( $current_screen->post_type ),
				)
			);
		} elseif ( 'term' === $current_screen->base && isset( $tag ) && is_object( $tag ) && ! is_wp_error( $tag ) ) {
			$tax = get_taxonomy( $tag->taxonomy );
			if ( is_term_publicly_viewable( $tag ) ) {
				$wp_admin_bar->add_node(
					array(
						'id'    => 'view',
						'title' => $tax->labels->view_item,
						'href'  => get_term_link( $tag ),
					)
				);
			}
		} elseif ( 'user-edit' === $current_screen->base && isset( $user_id ) ) {
			$user_object = get_userdata( $user_id );
			$view_link   = get_author_posts_url( $user_object->ID );
			if ( $user_object->exists() && $view_link ) {
				$wp_admin_bar->add_node(
					array(
						'id'    => 'view',
						'title' => __( 'View User' ),
						'href'  => $view_link,
					)
				);
			}
		}
	} 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 );
			$edit_post_link   = get_edit_post_link( $current_object->ID );
			if ( $post_type_object
				&& $edit_post_link
				&& current_user_can( 'edit_post', $current_object->ID )
				&& $post_type_object->show_in_admin_bar ) {
				$wp_admin_bar->add_node(
					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 );
			$edit_term_link = get_edit_term_link( $current_object->term_id, $current_object->taxonomy );
			if ( $tax && $edit_term_link && current_user_can( 'edit_term', $current_object->term_id ) ) {
				$wp_admin_bar->add_node(
					array(
						'id'    => 'edit',
						'title' => $tax->labels->edit_item,
						'href'  => $edit_term_link,
					)
				);
			}
		} elseif ( $current_object instanceof WP_User && current_user_can( 'edit_user', $current_object->ID ) ) {
			$edit_user_link = get_edit_user_link( $current_object->ID );
			if ( $edit_user_link ) {
				$wp_admin_bar->add_node(
					array(
						'id'    => 'edit',
						'title' => __( 'Edit User' ),
						'href'  => $edit_user_link,
					)
				);
			}
		}
	}
}

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