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Source View: admin_referrer_policy

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Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.

Source View

Line Code
1299       * Filters the admin referrer policy header value.
1300       *
1301       * @since 4.9.0
1302       * @since 4.9.5 The default value was changed to 'strict-origin-when-cross-origin'.
1303       *
1304       * @link https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Referrer-Policy
1305       *
1306       * @param string $policy The admin referrer policy header value. Default 'strict-origin-when-cross-origin'.
1307       */
1308      $policy = apply_filters( 'admin_referrer_policy', $policy );
1309
1310      header( sprintf( 'Referrer-Policy: %s', $policy ) );
1311 }
1312
1313 /**
1314  * Outputs JS that reloads the page if the user navigated to it with the Back or Forward button.
1315  *
1316  * Used on the Edit Post and Add New Post screens. Needed to ensure the page is not loaded from browser cache,
1317  * so the post title and editor content are the last saved versions. Ideally this script should run first in the head.