Multiple Operations in PHP

array_intersectarray_diffarray_intersect_assocarray_intersect_keyarray_diff_assocarray_diff_key
Задание 1

Given arrays:

php<?php
  $arr1 = [1, 2, 3, 4, 5];
  $arr2 = [3, 4, 5, 6, 7];
?>

Write to a new array the elements that are present in both arrays.

Задание 2

Given arrays:

php<?php
  $arr1 = [1, 2, 3, 4, 5];
  $arr2 = [3, 4, 5, 6, 7];
?>

Write to a new array the elements that are not present in both arrays simultaneously.