1.2.2. Render static version of block in PHP

php-block-render.php

<?php
function render_block( array $attributes ) : string {
    $id    = $attributes['id'];
    $class = 'wp-block-rave-initiative-tracker';

    ob_start();
    ?>

    <div
        class="<?php echo esc_attr( $class ); ?>"
        data-id="<?php echo esc_attr( $id ); ?>"
        data-post_id="<?php echo esc_attr( get_the_ID() ); ?>"
    >
        <!-- Your actual block content here... -->
    </div>

    <?php
    return ob_get_clean();
}