diff -r 34716fd837a4 -r be944660c56a wp/wp-includes/blocks/loginout.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/wp/wp-includes/blocks/loginout.php	Wed Sep 21 18:19:35 2022 +0200
@@ -0,0 +1,51 @@
+<?php
+/**
+ * Server-side rendering of the `core/loginout` block.
+ *
+ * @package WordPress
+ */
+
+/**
+ * Renders the `core/loginout` block on server.
+ *
+ * @param array $attributes The block attributes.
+ *
+ * @return string Returns the login-out link or form.
+ */
+function render_block_core_loginout( $attributes ) {
+
+	// Build the redirect URL.
+	$current_url = ( is_ssl() ? 'https://' : 'http://' ) . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'];
+
+	$classes  = is_user_logged_in() ? 'logged-in' : 'logged-out';
+	$contents = wp_loginout(
+		isset( $attributes['redirectToCurrent'] ) && $attributes['redirectToCurrent'] ? $current_url : '',
+		false
+	);
+
+	// If logged-out and displayLoginAsForm is true, show the login form.
+	if ( ! is_user_logged_in() && ! empty( $attributes['displayLoginAsForm'] ) ) {
+		// Add a class.
+		$classes .= ' has-login-form';
+
+		// Get the form.
+		$contents = wp_login_form( array( 'echo' => false ) );
+	}
+
+	$wrapper_attributes = get_block_wrapper_attributes( array( 'class' => $classes ) );
+
+	return '<div ' . $wrapper_attributes . '>' . $contents . '</div>';
+}
+
+/**
+ * Registers the `core/latest-posts` block on server.
+ */
+function register_block_core_loginout() {
+	register_block_type_from_metadata(
+		__DIR__ . '/loginout',
+		array(
+			'render_callback' => 'render_block_core_loginout',
+		)
+	);
+}
+add_action( 'init', 'register_block_core_loginout' );