function send_fcm($token, $title, $content, $url, $type) {
$param = http_build_query(array(
'token' => $token,
'title' => $title,
'content' => $content,
'url' => $url,
'type' => $type
));
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, 'http://localhost:3000/');
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, $param);
curl_exec($ch);
curl_close($ch);
}



$arr['registration_ids'][0] =  'key' ;
$arr['registration_ids'][1] =  'key' ;


send_fcm($arr['registration_ids'][0], iconv('EUC-KR', 'UTF-8', $titleData), $messageData, $urlData, 0);