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  1.  
  2.  <?php
  3.  
  4. $a = array(
  5.     'a' => NULL,
  6.     'b' => 2,
  7.     'c' => 1,
  8.     'd' => 'cement'
  9. );
  10.  
  11. $b = array(
  12.     'a' => 1,
  13.     'b' => NULL,
  14.     'c' => 'foo',
  15.     'e' => 9,
  16.     'f' => NULL,
  17.     'd' => 'conc'
  18. );
  19.  
  20. $b  = array_filter($b);
  21. $a  = array_filter($a);
  22. $c = array_merge($a, $b);
  23. print_r($c);
  24.  
  25.  
Success #stdin #stdout 0.03s 25452KB
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stdin
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Standard input is empty
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 Array
(
    [b] => 2
    [c] => foo
    [d] => conc
    [a] => 1
    [e] => 9
)
https://ideone.com/esPKp7
language:
PHP (php 7.3.5)
created:
2 days ago
visibility:
public

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