curl post sample

<?php

    function curl($url, $method = 'GET', $data = [], $timeout = 300) {
        $c = curl_init();
        curl_setopt($c, CURLOPT_URL, $url);
        curl_setopt($c, CURLOPT_RETURNTRANSFER, true);
        curl_setopt($c, CURLOPT_SSL_VERIFYPEER, false);
        curl_setopt($c, CURLOPT_FAILONERROR, true);
        curl_setopt($c, CURLOPT_CONNECTTIMEOUT, $timeout);
        curl_setopt($c, CURLOPT_TIMEOUT, $timeout);

        curl_setopt($c, CURLOPT_HTTPHEADER, array(
            'Accept: application/json',
            'Content-Type: application/json'
        ));

        if ($method == 'POST') {
            curl_setopt($c, CURLOPT_POST, true);
            curl_setopt($c, CURLOPT_POSTFIELDS, $data);
        }

        $content = (string) curl_exec($c);

        $http_status = curl_getinfo($c, CURLINFO_HTTP_CODE);

        $curl_error = curl_error($c);

        curl_close($c);

        return $content;
    }

    $url = 'http://localhost/destination';

    $data = [
        'nik' => '123',
        'user_id' => 'user',
        'password' => 'xxxxxx',
        'ip_user' => '127.0.0.1'
    ];

    // Merubah menjadi json
    $data = json_encode($data);

    $response = curl($url, 'POST', $data);

    var_dump($response);