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  1. <?php
  2.  
  3. // $IdSetor existe e não é nulo
  4.  
  5. $IdSetor = 42;
  6.  
  7. $IdSetor = $IdSetor ?? 0;
  8.  
  9. var_dump($IdSetor);
  10.  
  11. // $IdSetor existe e é nulo
  12.  
  13. $IdSetor = NULL;
  14.  
  15. $IdSetor = $IdSetor ?? 0;
  16.  
  17. var_dump($IdSetor);
  18.  
  19. // $IdSetor não existe
  20.  
  21. unset($IdSetor);
  22.  
  23. $IdSetor = $IdSetor ?? 0;
  24.  
  25. var_dump($IdSetor);
Success #stdin #stdout 0.02s 23504KB
comments (?)
stdin 
Standard input is empty
stdout 
int(42)
int(0)
int(0)
https://ideone.com/UPWcxV
language:
PHP (php 7.3.5)
created:
7 years ago
visibility:
public

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