Replace Gravity Forms {admin_email} with [email protected]

admin_email.php

// Replace GF {admin_email} tag with website email

add_filter( 'gform_notification', 'bww_change_from_email', 10, 3 );
function bww_change_from_email( $notification, $form, $entry ) {
    // Get the site's domain dynamically
    $site_url = parse_url( get_site_url(), PHP_URL_HOST );
    $custom_admin_email = 'website@' . $site_url;

    // Check if the notification 'from' email is using {admin_email}
    if ( isset( $notification['from'] ) && $notification['from'] === '{admin_email}' ) {
        $notification['from'] = $custom_admin_email;
    }

    return $notification;
}