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filter is not described

admin_referrer_policy filter-hook . WP 4.9.0

Filters the admin referrer policy header value.

Usage

add_filter( 'admin_referrer_policy', 'filter_function_name_6727' );
function filter_function_name_6727( $policy ){
	// filter...

	return $policy;
}
$policy(string)
The admin referrer policy header value.
Default: 'strict-origin-when-cross-origin'

Changelog

Since 4.9.0 Introduced.
Since 4.9.5 The default value was changed to 'strict-origin-when-cross-origin'.

Where the hook is called

wp_admin_headers()
admin_referrer_policy
wp-admin/includes/misc.php 1194
$policy = apply_filters( 'admin_referrer_policy', $policy );

Where the hook is used (in WP core)

Usage not found!