pabx-app/mail_template.php

<?php

    $fields = filter_input_array(INPUT_GET, FILTER_SANITIZE_SPECIAL_CHARS);



    if ($fields['t']) {
        $template = base64_decode($fields['t']);
        $data = json_decode(base64_decode($fields['d']), true);

        $contents = file_get_contents(__DIR__ . "/" . $path . $template);
        foreach ($data as $key => $value) {
            $contents = str_replace('{' . $key . '}', $value, $contents);
        }
        echo utf8_decode($contents);
    } else {
        echo '<h1>Template não encontrado!</h1>';
    }