Question

What function computes the difference of arrays?
A.array_diff
B.diff_array
C.arrays_diff
D.diff_arrays

Answer 1

Hi there,

The array_diff() is an inbuilt function in PHP ans is used to calculate the difference between two or more arrays.

Option A is correct.

Answer 2

array_diff is the function that computes the difference of arrays(option A)

array_diff

• The array_diff() function is used to compare two values
• It returns the differences
• This function compares the values of two or more arrays that returns an array that has the values in array1 which is not present in array2 and array3
• This function is used in PHP programming

Structure of array_diff()

• array_diff(array1, array2, array3)

The parameter values

• The parameters are array1, array2, array3, etc.
• The parameter array1 is the array that is compared from
• The parameter array2 has been used as an array to compare against
• The parameter array3  has also been used as more arrays to compare against.