Всё для ВебМастера

        if ( !$send_mail_log AND $email != $row['email']) $mailchange = " email='{$email}',";
        else $mailchange = "";

        if ( !$send_mail_log AND $email != $row['email']) {
            $db->query("UPDATE ".PREFIX."_subscribe SET email='{$email}' WHERE user_id='{$id}'");
            $mailchange = " email='{$email}',";
        } else $mailchange = "";

<?php
@error_reporting ( E_ALL ^ E_WARNING ^ E_NOTICE );
@ini_set ( 'display_errors', true );
@ini_set ( 'html_errors', false );
@ini_set ( 'error_reporting', E_ALL ^ E_WARNING ^ E_NOTICE );
define ( 'DATALIFEENGINE', true );
define ( 'ROOT_DIR', dirname ( __FILE__ ) );
define ( 'ENGINE_DIR', ROOT_DIR . '/engine' );

include ENGINE_DIR . '/data/config.php';
require_once ENGINE_DIR . '/classes/mysql.php';
require_once ENGINE_DIR . '/data/dbconfig.php';
@header("Content-type: text/html; charset=".$config['charset']);

$sql = $db->query("SELECT user_id, email FROM ".USERPREFIX."_users");
while ($row = $db->get_row($sql)) {
    $db->query("UPDATE ".PREFIX."_subscribe SET email='{$row['email']}' WHERE user_id='{$row['user_id']}'");
}
echo "Done";
?>