wp-includes/Requests/src/Auth/Basic.php:81Set cURL parameters before the data is sent
$handleresource|CurlHandle public function curl_before_send(&$handle) { curl_setopt($handle, CURLOPT_HTTPAUTH, CURLAUTH_BASIC); curl_setopt($handle, CURLOPT_USERPWD, $this->getAuthString()); }Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/Requests/src/Auth/Basic.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.