github_markdown.php

<?php

function github_markdown($text) {
  $ch = curl_init('https://api.github.com/markdown/raw');
  curl_setopt_array($ch, array(
    \CURLOPT_POST            => true
  , \CURLOPT_RETURNTRANSFER  => true
  , \CURLOPT_POSTFIELDS      => $text
  , \CURLOPT_SSL_VERIFYPEER  => false
  , CURLOPT_HTTPHEADER => array('Content-Type: text/plain')));
  $ret = curl_exec($ch);
  curl_close($ch);
  return $ret;
}