cURL class

Curl.php

<?php
/*
 * Usage [PHP >= 7.1]
 *
require_once __DIR__ . '/Curl.php';

$curl = new Curl('https://example.com');

$curl->get();
$curl->post(['key1' => 'value1']);

try {
    $res = $curl->json(['key1' => 'value1'], ['Authorization: Basic xyz_base64_string']);
} catch (JsonException $e) {
    die($e->getMessage());
}
*/

class Curl
{
    private $ch;
    private $url;

    public function __construct(string $url = null)
    {
        $this->url = $url;
        $this->ch = curl_init($url);
    }

    public function setUrl(string $url): self
    {
        $this->url = $url;
        return $this;
    }

    public function get(array $query = [])
    {
        if ($query) {
            curl_setopt($this->ch, CURLOPT_URL, $this->url . '?' . http_build_query($query));
        }
        $this->setOpt();

        return $this->exec();
    }

    public function post(array $data, array $headers = [], array $options = [])
    {
        $this->setOpt(array_replace_recursive([
            CURLOPT_CUSTOMREQUEST => 'POST',
            CURLOPT_POSTFIELDS => $data,
            CURLOPT_HTTPHEADER => $headers
        ], $options));

        return $this->exec();
    }

    public function json(array $data, array $headers = [], array $options = [])
    {
        $this->setOpt(array_replace_recursive([
            CURLOPT_CUSTOMREQUEST => 'POST',
            CURLOPT_POSTFIELDS => json_encode($data, JSON_UNESCAPED_UNICODE),
            CURLOPT_HTTPHEADER => array_merge([
                'Accept: application/json',
                'Content-Type: application/json'
            ], $headers)
        ], $options));

        return $this->exec();
    }

    public function setOpt(array $options = []): void
    {
        /** @noinspection CurlSslServerSpoofingInspection */
        curl_setopt_array($this->ch, array_replace_recursive([
            CURLOPT_RETURNTRANSFER => true,
            CURLOPT_SSL_VERIFYPEER => false,
            CURLOPT_ENCODING => '',
            CURLOPT_MAXREDIRS => 10,
            CURLOPT_TIMEOUT => 0,
            CURLOPT_FOLLOWLOCATION => true,
            CURLOPT_HEADER => false
        ], $options));
    }

    /** @noinspection PhpUnused */
    public function getResponseCode()
    {
        return curl_getinfo($this->ch, CURLINFO_HTTP_CODE);
    }

    private function exec()
    {
        if (!($result = curl_exec($this->ch))) {
            throw new RuntimeException('Connection error on URL: ' . $this->url);
        }

        if ($errno = curl_errno($this->ch)) {
            $message = curl_strerror($errno);
            echo "cURL error ($errno):\n $message";
        }

        return $result;
    }

    public function __destruct()
    {
        curl_close($this->ch);
    }
}