fork download 
  1. <?php
  2.  
  3. function array_remove_unique(array $array) {
  4. 	$tmp = [];
  5. 	foreach($array as $item) {
  6. 		if(isset($tmp[$item])) {
  7. 			$tmp[$item] += 1;
  8. 		}
  9. 		else {
  10. 			$tmp[$item] = 1;
  11. 		}
  12. 	}
  13.  
  14. 	$array = [];
  15. 	foreach($tmp as $key => $value) {
  16. 		if($value > 1) {
  17. 			$array[] = $key;
  18. 		}
  19. 	}
  20. 	return $array;
  21. }
  22.  
  23. $array = [1,1,2,3,4,2,5];
  24. print_r($array);
  25. print_r(array_remove_unique($array));
Success #stdin #stdout 0s 82880KB
comments (?)
stdin 
Standard input is empty
stdout 
Array
(
    [0] => 1
    [1] => 1
    [2] => 2
    [3] => 3
    [4] => 4
    [5] => 2
    [6] => 5
)
Array
(
    [0] => 1
    [1] => 2
)
https://ideone.com/rMJWtK
language:
PHP (php 7.3.5)
created:
7 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!