array (
  'url' => 'https://sistemas.upb.edu/programs/programservice/getCitiesByMaestrias',
  'content_type' => NULL,
  'http_code' => 0,
  'header_size' => 0,
  'request_size' => 99,
  'filetime' => -1,
  'ssl_verify_result' => 0,
  'redirect_count' => 0,
  'total_time' => 5.001737,
  'namelookup_time' => 0.004392,
  'connect_time' => 0.005655,
  'pretransfer_time' => 0.052956,
  'size_upload' => 0.0,
  'size_download' => 0.0,
  'speed_download' => 0.0,
  'speed_upload' => 0.0,
  'download_content_length' => -1.0,
  'upload_content_length' => 0.0,
  'starttransfer_time' => 0.0,
  'redirect_time' => 0.0,
  'redirect_url' => '',
  'primary_ip' => '10.1.1.87',
  'certinfo' => 
  array (
  ),
  'primary_port' => 443,
  'local_ip' => '10.1.1.5',
  'local_port' => 44306,
)error al consultar la pagina getCitiesByMaestrias():