Question: What happens when you use unset ( ) to remove a value from an array? What happens when you use unset ( ) to remove

What happens when you use unset() to remove a value from an array?
What happens when you use unset() to remove a value from an array?
The value is removed as well as the index because all arrays are associative.
The index is removed for that value, but the value remains in the array.
The value is removed and the array indices reorder so they are contiguous.
There is not such function called unset.

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