Forking curl process

gistfile1.php

<?php
private function request($url, $payload) {

  $cmd = "curl -X POST -H 'Content-Type: application/json'";
  $cmd.= " -d '" . $payload . "' " . "'" . $url . "'";

  if (!$this->debug()) {
    $cmd .= " > /dev/null 2>&1 &";
  }

  exec($cmd, $output, $exit);
  return $exit == 0;
}
?>