/**
* Determines if there is an HTTP Transport that can process this request.
*
* @since 3.2.0
*
* @param array $capabilities Array of capabilities to test or a nxt_remote_request() $args array.
* @param string $url Optional. If given, will check if the URL requires SSL and adds that requirement to the capabilities array.
*
* @return bool
*/
function nxt_http_supports($capabilities = array(), $url = null)
{
$objFetchSite = _nxt_http_get_object();
$capabilities = nxt_parse_args($capabilities);
$count = count($capabilities);
// If we have a numeric $capabilities array, spoof a nxt_remote_request() associative $args array
if ($count && count(array_filter(array_keys($capabilities), 'is_numeric')) == $count) {
$capabilities = array_combine(array_values($capabilities), array_fill(0, $count, true));
}
if ($url && !isset($capabilities['ssl'])) {
$scheme = parse_url($url, PHP_URL_SCHEME);
if ('https' == $scheme || 'ssl' == $scheme) {
$capabilities['ssl'] = true;
}
}
return (bool) $objFetchSite->_get_first_available_transport($capabilities);
}
/**
* Retrieve the raw response from the HTTP request using the HEAD method.
*
* @see nxt_remote_request() For more information on the response array format.
*
* @since 2.7.0
*
* @param string $url Site URL to retrieve.
* @param array $args Optional. Override the defaults.
* @return nxt_Error|array The response or nxt_Error on failure.
*/
function nxt_remote_head($url, $args = array())
{
$objFetchSite = _nxt_http_get_object();
return $objFetchSite->head($url, $args);
}