WordPress at a glance
filter is not described

status_header filter-hook . WP 2.2.0

Filters an HTTP status header.

Usage

add_filter( 'status_header', 'filter_function_name_3596', 10, 4 );
function filter_function_name_3596( $status_header, $code, $description, $protocol ){
	// filter...

	return $status_header;
}
$status_header(string)
HTTP status header.
$code(int)
HTTP status code.
$description(string)
Description for the status code.
$protocol(string)
Server protocol.

Where the hook is called

status_header()
wp-includes/functions.php 1093
$status_header = apply_filters( 'status_header', $status_header, $code, $description, $protocol );

Where the hook is used (in WP core)

Does not used.