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  1. <?php
  2.  
  3. $first = [
  4. 	['column_name' => 3],
  5. ];
  6.  
  7. $second = [
  8. 	['column_name' => 1],
  9. 	['column_name' => 2],
  10. 	['column_name' => 3],
  11. 	['column_name' => 4],
  12. ];
  13.  
  14. $result = array_udiff(
  15.      $second,
  16.      $first, 
  17.      function($x, $y) { return strcmp($x['column_name'], $y['column_name']); }
  18. );
  19.  
  20. print_r($result);
  21.  
Success #stdin #stdout 0.01s 20520KB
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stdin
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Standard input is empty
stdout
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Array
(
    [0] => Array
        (
            [column_name] => 1
        )

    [1] => Array
        (
            [column_name] => 2
        )

    [3] => Array
        (
            [column_name] => 4
        )

)
https://ideone.com/gR3RF5
language:
PHP (php 7.3.5)
created:
10 years ago
visibility:
public

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