Written based on hacking away at a custom event which aimed to take its data solely from entry data and $_SESSION values, and not posted values (which I understand may have been open to DOM hacking and required "ugly" frontend hidden fields).
I was traversing the XMLElement object generated by SymQL (or Entry object generated by EntryManager) with the object's methods and foreach
to get values, which seems to require a lot of effort and code:
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