Send a simple http request by curl in PHP.

curlRequest.php

<?php

function curlRequest($url, $method = "GET", $data = "", $userPassword = "")
{
    $httpHeader = array(
        'Content-Type: application/json',
        'Content-Length: ' . strlen($data)
    );

    $ch = curl_init();
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($ch, CURLOPT_USERPWD, $userPassword);
    curl_setopt($ch, CURLOPT_URL, $url);
    curl_setopt($ch, CURLOPT_HTTPHEADER, $httpHeader);
    curl_setopt($ch, CURLOPT_CUSTOMREQUEST, $method);
    curl_setopt($ch, CURLOPT_POSTFIELDS, $data);

    $response = curl_exec($ch);
    $httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
    curl_close($ch);
    return $response;
}