PHP array_diff() Function

PHP array_diff Function


Description

The array_diff() function compares the values of two or more arrays and returns the differences.

This function compares the values of two (or more) arrays, and return an array that contains the entries from array1 that are not present in array2 or array3, etc.

The basic syntax of the array_diff() function is given with:

   array_diff(array1array2,array3...);

 

Parameter Values
Parameter Description
array1 Required. The array to compare from
array2 Required. An array to compare against
array3,... Optional. More arrays to compare against

Example1 :Compare the values of two arrays, and return the differences:

Output :

Array
(
    [0] => apple
    [1] => ball
)

Example2 :Compare the values of three arrays, and return the differences:

Output :

Array
(
    [1] => ball
    [3] => dog
)