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  1. <?php
  2.  
  3. $selected = ['Forum1', 'Forum3', 'Furniture']; 
  4. $checkboxes = ['Forum1', 'Forum3', 'forum4', 'Furniture', 'Nieuwforum'];
  5.  
  6. $diff = array_diff($selected, $checkboxes);
  7.  
  8. echo 'selected:';
  9. print_r($selected);
  10. echo 'original:';
  11. print_r($checkboxes);
  12. echo 'difference:';
  13. print_r($diff);
Success #stdin #stdout 0.02s 25744KB
comments (?)
stdin
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Standard input is empty
stdout
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selected:Array
(
    [0] => Forum1
    [1] => Forum3
    [2] => Furniture
)
original:Array
(
    [0] => Forum1
    [1] => Forum3
    [2] => forum4
    [3] => Furniture
    [4] => Nieuwforum
)
difference:Array
(
)
https://ideone.com/eBZ18M
language:
PHP (php 7.3.5)
created:
1 day ago
visibility:
public

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