Re: [PHP-XML-DEV] libxml2 memory handling

Rob Richards wrote:
> 
>>(DOM-)unlink is not the same as (PHP-)unset and we should be carefull,
>>what happens if we unset a node without too much WTF factorness for the
>>endusers ;)
> 
> 
> For an unset I have it freeing the libxml2 structures, just wasnt sure about
> children nodes (which you answered at my last question). Test code had the
> children just being unlinked if they were referenced as I wasnt too sure
> here.
> 
> 
>>Mmmh, "having a doc" is not the same as "being in the tree". Therefore I
>>think, we still could use the "doc" property to know to which document the
>>object belongs. But I see the problem with freeing the document and not
>>freeing nodes, which do not belong to the tree.. How does libxml2 handle
>>that?
> 
> 
> libxml2 leaves all of this up to the developer to handle. I have been going
> through the tree.c file and when freeing a doc, it traverses the tree and
> frees the strcutures within (no regard to nodes not within the tree but
> belonging to the document).
> 

One thing that should be kept in mind when doing this is being able to 
move nodes between documents.

Shane