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  1. <?php
  2. $a = [1,2,3,4,5];
  3. $b = [1,3,5,6,7,5,3];
  4.  
  5. $iguais = [];
  6. $diferentes = [];
  7. foreach($a as $item){
  8.     $i = array_search($item, $b);
  9.     if($i !== false){
  10.         $iguais[] = '('. $item .', '. $b[$i] .')';
  11.         unset($b[$i]);
  12.     }else{
  13.         $diferentes[] = $item;
  14.     }
  15. }
  16.  
  17. $diferentes += $b;
  18.  
  19. echo "<pre>";
  20. print_r($iguais);
  21.  
  22. echo "<pre>";
  23. print_r($diferentes);
Success #stdin #stdout 0.03s 52480KB
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Standard input is empty
stdout
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<pre>Array
(
    [0] => (1, 1)
    [1] => (3, 3)
    [2] => (5, 5)
)
<pre>Array
(
    [0] => 2
    [1] => 4
    [3] => 6
    [4] => 7
    [5] => 5
    [6] => 3
)
https://ideone.com/y567w3
language:
PHP (php 7.3.5)
created:
8 years ago
visibility:
public

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