is_user_logged_in() WordPress Function

	function is_user_logged_in() {
		$user = wp_get_current_user();

		return $user->exists();
	}
Used By	Description
wp-includes/blocks.php:build_comment_query_vars_from_block()	Helper function that constructs a comment query vars array from the passed block properties.
wp-includes/block-template.php:locate_block_template()	Find a block template with equal or higher specificity than a given PHP template file.
wp-includes/block-template.php:get_the_block_template_html()	Returns the markup for the current template.
wp-includes/rest-api/endpoints/class-wp-rest-application-passwords-controller.php:WP_REST_Application_Passwords_Controller::get_user()	Gets the requested user.
wp-includes/class-wp-recovery-mode.php:WP_Recovery_Mode::handle_exit_recovery_mode()	Handles a request to exit Recovery Mode.
wp-admin/includes/class-wp-site-health.php:WP_Site_Health::check_wp_version_check_exists()	Test if `wp_version_check` is blocked.
wp-includes/class-wp-customize-manager.php:WP_Customize_Manager::handle_dismiss_autosave_or_lock_request()	Deletes a given auto-draft changeset or the autosave revision for a given changeset or delete changeset lock.
wp-includes/class-wp-customize-manager.php:WP_Customize_Manager::handle_changeset_trash_request()	Handles request to trash a changeset.
wp-includes/general-template.php:wp_enqueue_code_editor()	Enqueue assets needed by the code editor for the given settings.
wp-includes/rest-api.php:rest_authorization_required_code()	Returns a contextual HTTP error code for authorization failure.
wp-includes/class-wp-customize-manager.php:WP_Customize_Manager::changeset_data()	Gets changeset data.
wp-includes/rest-api/endpoints/class-wp-rest-comments-controller.php:WP_REST_Comments_Controller::create_item_permissions_check()	Checks if a given request has access to create a comment.
wp-includes/rest-api/endpoints/class-wp-rest-comments-controller.php:WP_REST_Comments_Controller::create_item()	Creates a comment.
wp-includes/comment.php:wp_check_comment_flood()	Checks whether comment flooding is occurring.
wp-includes/rest-api.php:rest_send_cors_headers()	Sends Cross-Origin Resource Sharing headers with API requests.
wp-includes/rest-api.php:rest_cookie_check_errors()	Checks for errors when using cookie-based authentication.
wp-includes/class-wp-customize-manager.php:WP_Customize_Manager::customize_pane_settings()	Prints JavaScript settings for parent window.
wp-includes/rest-api/class-wp-rest-server.php:WP_REST_Server::serve_request()	Handles serving a REST API request.
wp-includes/user.php:retrieve_password()	Handles sending a password retrieval email to a user.
wp-signup.php:validate_another_blog_signup()	Validates a new site sign-up for an existing user.
wp-signup.php:show_blog_form()	Generates and displays the Sign-up and Create Site forms.
wp-signup.php:validate_blog_form()	Validates the new site sign-up.
wp-admin/includes/ms.php:_access_denied_splash()	Displays an access denied message when a user tries to view a site’s dashboard they do not have access to.
wp-includes/class-wp-customize-manager.php:WP_Customize_Manager::save()	Handles customize_save WP Ajax request to save/update a changeset.
wp-includes/class-wp-customize-manager.php:WP_Customize_Manager::setup_theme()	Starts preview and customize theme.
wp-includes/general-template.php:wp_heartbeat_settings()	Default settings for heartbeat
wp-includes/general-template.php:user_can_richedit()	Whether the user can access the visual editor.
wp-includes/general-template.php:wp_loginout()	Display the Log In/Out link.
wp-includes/general-template.php:wp_register()	Display the Registration or Admin link.
wp-includes/class-wp.php:WP::send_headers()	Sends additional HTTP headers for caching, content type, etc.
wp-includes/class-wp-query.php:WP_Query::get_posts()	Retrieves an array of posts based on query variables.
wp-includes/class-wp-query.php:WP_Query::parse_search()	Generates SQL for the WHERE clause based on passed search terms.
wp-includes/functions.php:wp_auth_check()	Check whether a user is still logged in, for the heartbeat.
wp-includes/functions.php:wp_auth_check_load()	Load the auth check for monitoring whether the user is still logged in.
wp-includes/link-template.php:get_adjacent_post()	Retrieves the adjacent post.
wp-includes/class-wp-admin-bar.php:WP_Admin_Bar::_render()
wp-includes/class-wp-admin-bar.php:WP_Admin_Bar::initialize()	Initializes the admin bar.
wp-includes/admin-bar.php:wp_admin_bar_site_menu()	Adds the “Site Name” menu.
wp-includes/admin-bar.php:wp_admin_bar_my_sites_menu()	Adds the “My Sites/[Site Name]” menu and all submenus.
wp-includes/admin-bar.php:is_admin_bar_showing()	Determines whether the admin bar should be showing.
wp-includes/post-template.php:get_body_class()	Retrieves an array of the class names for the body element.
wp-includes/post.php:get_posts_by_author_sql()	Retrieve the post SQL based on capability, author, and type.
wp-includes/post.php:_count_posts_cache_key()	Return the cache key for wp_count_posts() based on the passed arguments.
wp-includes/post.php:wp_count_posts()	Count number of posts of a post type and if user has permissions to view.
wp-includes/comment-template.php:get_post_reply_link()	Retrieves HTML content for reply to post link.
wp-includes/comment-template.php:wp_list_comments()	Displays a list of comments.
wp-includes/comment-template.php:comment_form()	Outputs a complete commenting form for use within a template.
wp-includes/comment-template.php:comments_template()	Loads the comment template specified in $file.
wp-includes/comment-template.php:get_comment_reply_link()	Retrieves HTML content for reply to comment link.
wp-includes/class-wp-customize-widgets.php:WP_Customize_Widgets::wp_ajax_update_widget()	Updates widget settings asynchronously.
wp-includes/comment.php:get_page_of_comment()	Calculates what page number a comment will appear on for comment paging.