renamed constants, they where conflicting with php self

git-svn-id: https://svn.muze.nl/svn/ariadne-php5/trunk@6355 7882d7ee-46e0-0310-a255-a28a61b628e4
self should be quoted, because it is not an variable/object

git-svn-id: https://svn.muze.nl/svn/ariadne-php5/trunk@6356 7882d7ee-46e0-0310-a255-a28a61b628e4
Correct to the right variable

git-svn-id: https://svn.muze.nl/svn/ariadne-php5/trunk@6357 7882d7ee-46e0-0310-a255-a28a61b628e4
Corrected to the right variable

git-svn-id: https://svn.muze.nl/svn/ariadne-php5/trunk@6358 7882d7ee-46e0-0310-a255-a28a61b628e4