[СДЕЛАЙ САМ] DaData. Определение города по ip

<?php
$url = 'https://suggestions.dadata.ru/suggestions/api/4_1/rs/iplocate/address';
$siteIsAvaliable = $modx->runSnippet('isSiteAvailible', array('url' => $url));
if($siteIsAvaliable){
    $token = $modx->getOption('dadata_api_key');
    $ip = $_SERVER['REMOTE_ADDR'];
    $headers = array(
    	'Accept: application/json',
    	'Authorization: Token ' . $token
    );
    $ch = curl_init($url.'?ip='.$ip);
    curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
    curl_setopt($ch, CURLOPT_HEADER, false);
    $result = json_decode(curl_exec($ch),1);
    curl_close($ch);
    $region = $result['location']['data']['city'];
    return  $region;
}else{
    $modx->log(1, 'detectRegion: Не возможно определить регион. Сервис DaData недоступен');
    return false;
}