Undocumented use of ENV vars in .ini

Patch by submitted by Mike Griffiths mgriffiths@gmail.com


git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@329147 c90b9560-bf6c-de11-be94-00142212c4b1
Updated expose_php ini setting to reflect affected changes in PHP 5.5.0


git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@329148 c90b9560-bf6c-de11-be94-00142212c4b1