wp_http_ixr_client_headers filter-hook . WP 4.4.0
Filters the headers collection to be sent to the XML-RPC server.
Usage
add_filter( 'wp_http_ixr_client_headers', 'filter_function_name_2019' );
function filter_function_name_2019( $headers ){
// filter...
return $headers;
}
- $headers(string[])
- Associative array of headers to be sent.
Where the hook is called
wp_http_ixr_client_headers
wp-includes/class-wp-http-ixr-client.php 77
$args['headers'] = apply_filters( 'wp_http_ixr_client_headers', $args['headers'] );