Question

If there are two array variable which contains exact same digits(no duplicate) but shuffled in position.

Input arrays

arr1={1,4,6,7,8};
arr2={1,7,7,6,8};

Result array

arr2={true,false,false,false,true};

Is there a function in php to get result as above or should it be done using loop(which I can do) only.

Answer 1

This is a nice application for array_map() and an anonymous callback (OK, I must admit that I like those closures 😉

$a1 = array(1,4,6,7,8);
$a2 = array(1,7,7,6,8);

$r = array_map(function($a1, $a2) {
    return $a1 === $a2;
}, $a1, $a2);

var_dump($r);

/*
array(5) {
  [0]=>
  bool(true)
  [1]=>
  bool(false)
  [2]=>
  bool(false)
  [3]=>
  bool(false)
  [4]=>
  bool(true)
}
*/

And yes, you have to loop over the array some way or the other.