settings = $settings; $this->loader = new FilesystemLoader(__DIR__ . '/templates'); $this->twig = new Environment($this->loader, [ // will generate exception if a var doesn't exist instead of replace to NULL 'strict_variables' => true, // 'html' by default, just highlight that it's secure to not escape TWIG variable values in PHP 'autoescape' => 'html', ]); } protected function getErrorMessage(int $id, string $errorMessage): string { return sprintf( '

ACF Views (id=%s): %s

', esc_html($id), esc_html($errorMessage) ); } public function render(int $viewId, string $template, array $args): string { $html = ''; // emulate the template file for every View. // as Twig generates a PHP class for every template file // so if you use the same, it'll have HTML of the very first View $templateFile = __DIR__ . '/templates/' . $viewId; $isWritten = false !== file_put_contents($templateFile, $template); if (!$isWritten) { $html .= $this->getErrorMessage($viewId, 'Can\'t write template file'); return $html; } try { $html = $this->twig->render($viewId, $args); } catch (Exception $e) { $isAdmin = in_array('administrator', wp_get_current_user()->roles, true); $debugMode = $isAdmin && $this->settings->isDevMode(); $html .= $this->getErrorMessage($viewId, $e->getMessage()); if ($debugMode) { $html .= '

' . print_r($args, true) . '

'; } } unlink($templateFile); return $html; } }