This is due to the removal of Logo GUIDs, instead a new substitute (data URIs and direct embedding of the credits) is used, which means that expose_php has no effect.

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Provided by anonymous #30739 (ajf@ajf.me)

git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@331209 c90b9560-bf6c-de11-be94-00142212c4b1