Answer:
rsort()
Explanation:
the sorting function is used to sort the elements in the array.
the sorting can be increasing or decreasing, depends on the function used.
let discuss the option:
a. sort()
this is the sorting function, it used to sort the array in ascending order.
b. arsort()
this is also sorting function, it used to sort the associated array in descending order according to the value.
d. asort()
this is also sorting function, it used to sort the associated array in ascending order according to the value.
c. rsort()
this is the sorting function, it used to sort the array in descending order.
Therefore, the correct answer is rsort().
