postToMedium.php

<?php

# Licensed under a CC0 1.0 Universal (CC0 1.0) Public Domain Dedication
# http://creativecommons.org/publicdomain/zero/1.0/

function postToMedium($data=array()) {

    $user_id = "XXXX";
    $accessToken = "XXXX";
    
    $url = "https://api.medium.com/v1/users/".$user_id."/posts";

    $arguments = array("title","contentFormat","content","tags","canonicalUrl");

    $fields = array();

    foreach ($arguments as $argument) {
        if (isset($data[$argument])) {
            $value = $data[$argument];
            $fields[$argument] = $value;
        }
    }

    $fields["content"].= '<p><i>This was originally posted <a href="'.$fields["canonicalUrl"].'" rel="canonical">on my own site</a>.</i></p>';

    $headers = array(
        "Authorization: Bearer ".$accessToken,
        "Content-Type: application/json",
        "Accept: application/json",
        "Accept-Charset: utf-8"
    );

    $options = array(
        CURLOPT_URL => $url,
        CURLOPT_RETURNTRANSFER => TRUE,
        CURLOPT_POST => TRUE,
        CURLOPT_HTTPHEADER => $headers,
        CURLOPT_POSTFIELDS => json_encode($fields),
        CURLOPT_TIMEOUT => 20
    );

    $curl = curl_init();
    curl_setopt_array($curl, $options);
    $response = curl_exec($curl);
    curl_close($curl);

    return json_decode($response, true);

}

?>