made cleanup a bit more efficient and less verbose

git-svn-id: https://svn.muze.nl/svn/ariadne-php5/trunk@6549 7882d7ee-46e0-0310-a255-a28a61b628e4
converted Array() to array()

git-svn-id: https://svn.muze.nl/svn/ariadne-php5/trunk@6550 7882d7ee-46e0-0310-a255-a28a61b628e4
removed redundant assignment

git-svn-id: https://svn.muze.nl/svn/ariadne-php5/trunk@6551 7882d7ee-46e0-0310-a255-a28a61b628e4
Removed dead code,

also commented a FIXME point where preg_replace used the 'e' modifier

git-svn-id: https://svn.muze.nl/svn/ariadne-php5/trunk@6552 7882d7ee-46e0-0310-a255-a28a61b628e4
Also test if the result is not false

git-svn-id: https://svn.muze.nl/svn/ariadne-php5/trunk@6553 7882d7ee-46e0-0310-a255-a28a61b628e4