is_protected_endpoint(): bool

1180function is_protected_endpoint() {1181	// Protect login pages.1182	if ( isset( $GLOBALS['pagenow'] ) && 'wp-login.php' === $GLOBALS['pagenow'] ) {1183		return true;1184	}1185 1186	// Protect the admin backend.1187	if ( is_admin() && ! wp_doing_ajax() ) {1188		return true;1189	}1190 1191	// Protect Ajax actions that could help resolve a fatal error should be available.1192	if ( is_protected_ajax_action() ) {1193		return true;1194	}1195 1196	/**1197	 * Filters whether the current request is against a protected endpoint.1198	 *1199	 * This filter is only fired when an endpoint is requested which is not already protected by1200	 * WordPress core. As such, it exclusively allows providing further protected endpoints in1201	 * addition to the admin backend, login pages and protected Ajax actions.1202	 *1203	 * @since 5.2.01204	 *1205	 * @param bool $is_protected_endpoint Whether the currently requested endpoint is protected.1206	 *                                    Default false.1207	 */1208	return (bool) apply_filters( 'is_protected_endpoint', false );1209}