helpers.php

<?php
if (!function_exists('ssr')) {
    function ssr(string $ident = '', $element): string {
        $path = storage_path('prerendered/'.$ident.'.json');
        if (file_exists($path)) {
            $content = file_get_contents($path);
            $json = json_decode($content);
            if ($json && isset($json->$element)) {
                return $json->$element;
            }
        }
        return '';
    }
}