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Which PHP function(s) is/are used to compare arrays and returns the differences?

112. Which PHP function(s) is/are used to compare arrays and returns the differences?

1. array_diff()
2. array_diff_assoc()
3. array_diff_key()
4. All of the above

Answer: D) All of the above

Explanation:

All of the above PHP functions are used to compare arrays and returns the differences.