WpOrg\Requests\Transport

Curl::stream_headers() │ public │ WP 1.0

Collect the headers as they are received

Method of the class: Curl{}

No Hooks.

Return

Int. Length of provided header

Usage

$Curl = new Curl();
$Curl->stream_headers( $handle, $headers );
$handle(resource|\CurlHandle) (required)
cURL handle
$headers(string) (required)
Header string

Curl::stream_headers() code WP 6.6.2

wp-includes/Requests/src/Transport/Curl.php 
public function stream_headers($handle, $headers) {
	// Why do we do this? cURL will send both the final response and any
	// interim responses, such as a 100 Continue. We don't need that.
	// (We may want to keep this somewhere just in case)
	if ($this->done_headers) {
		$this->headers      = '';
		$this->done_headers = false;
	}

	$this->headers .= $headers;

	if ($headers === "\r\n") {
		$this->done_headers = true;
	}

	return strlen($headers);
}