apply_filters( ‘admin_referrer_policy’, string $policy )

Filters the admin referrer policy header value.

Parameters

$policystring: The admin referrer policy header value. Default 'strict-origin-when-cross-origin'.

$policy = apply_filters( 'admin_referrer_policy', $policy );

Used by	Description
wp_admin_headers()`wp-includes/functions.php`	Sends a referrer policy header so referrers are not sent externally from administration screens.

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

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