[site-reviews] send email to author after review submission

/**
 * Sends an email to the review author when a new review is created.
 * Paste this in your active theme's functions.php file.
 *
 * @param \GeminiLabs\SiteReviews\Review $review
 * @return void
 */
add_action('site-reviews/review/created', function ($review) {
    if (empty( $review->email)) {
        return;
    }
    // Change the subject and message as needed
    $subject = "Thank you for your review!";
    $message = "Thank you so much for your review! Here is what you submitted:\n\n".
               "Rating: {$review->rating}-stars\n".
               "Title: {$review->title}\n".
               "Review: {$review->content}";

    if (!wp_mail($review->email, $subject, $message)) {
        apply_filters('glsr_log', null, 'The notification to <'.$review->email.'> was not sent. Please verify that your server is able to send emails correctly through WordPress.');
    }
});