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Yes you are right this is a good improvement. It doesn't prevent all the nodes from being visited. THank you.



I see.And this would also be done when the tree is constructed? Right?

I don't see what you mean. If put a return at the end of the if statement after I chekc the level then only the first of the nodes on that level will be returned. I want to return all of them. Maby I...

Hello
I know of only one method of visiting the elements on one level of a tree. This method is not very efficient. This is the way I do it(PHP implementation):


private function...