Convert to PHP 5 only codebase, adding visibility modifiers to all members and methods in the main library area (function only for test methods)

git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@1458 48356398-32a2-884e-a903-53898d9a118a

tests/HTMLPurifier/URITest.php

@@ -17,7 +17,7 @@ class HTMLPurifier_URITest extends HTMLPurifier_URIHarness
         $this->assertIdentical($uri1, $uri2);
     }
     
-    var $oldRegistry;
+    protected $oldRegistry;
     
     function &setUpSchemeRegistryMock() {
         $this->oldRegistry = HTMLPurifier_URISchemeRegistry::instance();