渲染服务器上的`core/loginout`区块。

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 '
' . $contents . '
';
}