PHP’s reference implementation is flat out broke. Running their latest release 5.1.6, my server application segfaults randomly all over the place. Using references seemed like the best way to accomplish C/C++ style pointers (think Search Trees, DLinkedLists/LRU Cache, etc..), but at a cost way to high. As previous posts indicate, I’ve spent a great deal of time trying to resolve these conflicts. Ultimately, my solution has been to rely on the implicit refrence-like properties of objects. Objects are passed in a way similar to PBR, but not identical. That is, you can access the object and modify properties of the object, but you can’t modify the object itself. What I mean by that is you can’t change an object of type Foo to an object of type Bar. Using explicit & style references, however, you can….. but you can also blow your leg off like I found out.
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