add uopz_copy documentation

git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@333136 c90b9560-bf6c-de11-be94-00142212c4b1
correction to versions.xml

git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@333137 c90b9560-bf6c-de11-be94-00142212c4b1