PHP5 writer fix: Exclude realization to self, which creates additional wrong...

PHP5 writer fix: Exclude realization to self, which creates additional wrong 'implement' methods on interface classes.

It is currently unknown why there is an realization to self, which may also affect other code generators.

CCBUG:336889

umbrello/codegenerators/php/php5writer.cpp

@@ -3208,6 +3208,10 @@ void Php5Writer::writeOperations(UMLClassifier *c, QTextStream &php)
             // we know its a classifier if its in the list
             UMLClassifier *real = (UMLClassifier*)a->getObject(Uml::RoleType::B);
 
+            // exclude realizations to self
+            if (real == c)
+                continue;
+
             UMLOperationList opl(real->getOpList());
             foreach(UMLOperation *op, opl) {
                 opreal.append(op);