gistfile1.php

<?php
class Response
{
    protected $transferInfo;
    protected $aaa;
    protected $bbb;
    protected $ccc;
    protected $ddd;
    protected $eee;

    public function __construct($transferInfo)
    {
        $this->transferInfo = $transferInfo;
    }
}

class Client
{
    protected $lastResponse;

    public function doRequest()
    {
        $ch = curl_init();

        curl_setopt_array($ch, [
            CURLOPT_URL => 'elasticsearch:9200',
            CURLINFO_HEADER_OUT => true,
            CURLOPT_RETURNTRANSFER => true,
            CURLOPT_POSTFIELDS => '',
        ]);

        curl_exec($ch);

        $response = new Response(curl_getinfo($ch));
        $this->lastResponse = $response;
    }
}

$client = new Client();
$client->doRequest();
$client->doRequest();
$client->doRequest();
$client->doRequest();