bebeboutik/modules/invite/ajax_sponsor.php

<?php
$useSSL = TRUE;
require_once(dirname(__FILE__).'/../../config/config.inc.php');
require_once(dirname(__FILE__).'/../../init.php');

$id_customer = (int)Tools::getValue('id');
$id_sponsor = (int)Tools::getValue('sponsor', 0);
$token = Tools::getValue('token');

// Display form edit
if ($id_customer !== 0 && Tools::getValue('adtoken') === Tools::encrypt('InviteAdmSponsor'.$id_customer)) {
    $sponsor = new Customer($id_sponsor);
    
    $smarty->assign(array(
        'base_dir' => _PS_BASE_URL_.__PS_BASE_URI__,
        'token' => $token,
        'id_customer' => $id_customer,
        'sponsor' => (Validate::isLoadedObject($sponsor)) ? $sponsor : false,
    ));
    
    echo $smarty->fetch(file_exists(_PS_THEME_DIR_.'modules/invite/ajax_sponsor.tpl') ?
        '../../themes/'._THEME_NAME_.'/modules/invite/ajax_sponsor.tpl' :
        'ajax_sponsor.tpl', __FILE__);
    exit;
}

// Search customer by email
elseif (Tools::getvalue('action') == 'search') {
    $q = Tools::getValue('term');
    $sql = 'SELECT `id_customer` AS id, CONCAT_WS(" ", `lastname`, `firstname`, CONCAT("(", `email`, ")")) AS value
        FROM `'._DB_PREFIX_.'customer` WHERE `email` LIKE "'.pSQL($q).'%"';
    $result = Db::getInstance()->executeS($sql);
    echo Tools::jsonEncode($result);
    exit;
}