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wp_admin_headers › WordPress Function

Since4.9.0
Deprecatedn/a
› wp_admin_headers ( No parameters )
Defined at:
Codex:
Change Log:
  • 6.8.0

Sends a referrer policy header so referrers are not sent externally from administration screens.



Related Functions: wp_admin_bar_header, wp_admin_bar_render, wp_admin_css, wp_shortlink_header, show_admin_bar

Source 

function wp_admin_headers() {
	$policy = 'strict-origin-when-cross-origin';

	/**
	 * Filters the admin referrer policy header value.
	 *
	 * @since 4.9.0
	 * @since 4.9.5 The default value was changed to 'strict-origin-when-cross-origin'.
	 *
	 * @link https://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Referrer-Policy
	 *
	 * @param string $policy The admin referrer policy header value. Default 'strict-origin-when-cross-origin'.
	 */
	$policy = apply_filters( 'admin_referrer_policy', $policy );

	header( sprintf( 'Referrer-Policy: %s', $policy ) );
}