Hmm, I'm a bit stumped on this one. I know SimpleXML has XPath support, but I can't remember the exact method name. I'll have to guess and hope I get it right.
I'm pretty confident the answer is B) xpath(). That's the standard function name for executing XPath queries in PHP's SimpleXML extension. I'm sure I've used that in my projects before.
Okay, let me see... I remember there's a function in SimpleXML for evaluating XPath expressions, but I can't recall if it's called "evaluate()" or something else. I'll have to review my notes on this.
Hmm, I'm not totally sure about this one. I know SimpleXML has some XPath-related functions, but I can't remember the exact method name off the top of my head. I'll have to think this through carefully.
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