Retrieve a single header by name from the raw response.

$response array|WP_Error Required

HTTP response.

$header string Required

Header name to retrieve value from.

array|string The header(s) value(s). Array if multiple headers with the same name are retrieved.
Empty string if incorrect parameter given, or if the header doesn't exist.

File: wp-includes/http.php. View all references

function wp_remote_retrieve_header( $response, $header ) {
	if ( is_wp_error( $response ) || ! isset( $response['headers'] ) ) {
		return '';
	}

	if ( isset( $response['headers'][ $header ] ) ) {
		return $response['headers'][ $header ];
	}

	return '';
}