/**
* Sends a POST request with the given article and bundles.
*
* @param string $url
* @param string $article
* @param array $bundles
* @param array $meta
* @return mixed
* @since 0.2.0
*/
public function post($url, $article, $bundles = array(), $meta = null)
{
// Assemble the content to send
$content = $this->build_content($article, $bundles, $meta);
// Build the post request args
$args = array('headers' => array('Authorization' => $this->sign($url, 'POST', $content), 'Content-Length' => strlen($content), 'Content-Type' => 'multipart/form-data; boundary=' . $this->mime_builder->boundary()), 'body' => $content);
// Allow filtering and merge with the default args
$args = apply_filters('apple_news_post_args', wp_parse_args($args, $this->default_args));
// Perform the request
$response = wp_safe_remote_post(esc_url_raw($url), $args);
// Build a debug version of the MIME content for the debug email
$debug_mime_request = $this->mime_builder->get_debug_content($args);
// Parse and return the response
return $this->parse_response($response, true, 'post', $meta, $bundles, $article, $debug_mime_request);
}