Get intersection of a multiple array in PHP

Question

Starting Point

I have a multiple array, like the follow example.

$array = array (
  \'role_1\' => 
  array (
    0 => \'value_2\',
    1 =>         


        

Answer 1

You should be able to do

call_user_func_array('array_intersect', $array_of_arrays)

This will pass each element of your array of arrays as an argument to array_intersect, which takes a variable number of arrays as arguments and returns their intersection.