PHP CURL POST example

curl-post.php

<?php

class Log {
    public static function debug($str) {
        print "DEBUG: " . $str . "\n";
    }
    public static function info($str) {
        print "INFO: " . $str . "\n";
    }
    public static function error($str) {
        print "ERROR: " . $str . "\n";
    }
}

function Curl($url, $post_data, &$http_status, &$header = null) {
    Log::debug("Curl $url JsonData=" . $post_data);

    $ch=curl_init();
    // user credencial
    curl_setopt($ch, CURLOPT_USERPWD, "username:passwd");
    curl_setopt($ch, CURLOPT_HTTPAUTH, CURLAUTH_BASIC);

    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($ch, CURLOPT_URL, $url);

    // post_data
    curl_setopt($ch, CURLOPT_POST, true);
    curl_setopt($ch, CURLOPT_POSTFIELDS, $post_data);

    if (!is_null($header)) {
        curl_setopt($ch, CURLOPT_HEADER, true);
    }
    curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
    curl_setopt($ch, CURLOPT_HTTPHEADER, array('Accept: application/json', 'Content-Type: application/json'));

    curl_setopt($ch, CURLOPT_VERBOSE, true);

    $response = curl_exec($ch);
    Log::debug('Curl exec=' . $url);
      
    $body = null;
    // error
    if (!$response) {
        $body = curl_error($ch);
        // HostNotFound, No route to Host, etc  Network related error
        $http_status = -1;
        Log::error("CURL Error: = " . $body);
    } else {
       //parsing http status code
        $http_status = curl_getinfo($ch, CURLINFO_HTTP_CODE);

        if (!is_null($header)) {
            $header_size = curl_getinfo($ch, CURLINFO_HEADER_SIZE);

            $header = substr($response, 0, $header_size);
            $body = substr($response, $header_size);
        } else {
            $body = $response;
        }
    }

    curl_close($ch);

    return $body;
}

$url = "http://requestb.in/1h1tct81";

$json = "{\"name\" : \"UserName\", \"age\" : 12 }";

$ret = Curl($url, $json, $http_status);

var_dump($ret);