National_Instruments
200-500 · Question #142
200-500 Question #142: Real Exam Question with Answer & Explanation
The correct answer is D. None of the above. See the full explanation below for the reasoning.
Question
PHP's array functions such as array_values() and array_key_exists() can be used on an object if the object...
Options
- Aimplements Traversable
- Bis an instance of ArrayObject
- Cimplements ArrayAccess
- DNone of the above
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