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  1. <?php
  2.  
  3. $array = array(
  4. 		'totalDePerguntas' => 2,
  5. 		'dados' => array(
  6. 				array(
  7. 					'id' => 16,
  8.                     'pergunta' => 'Quem criou o telescópio?',
  9.                     'quem_respondeu' => 'renato',
  10.                     'reposta' => 'Hans Lippershey',
  11.                 ),
  12.                 array(
  13. 					'id' => 17,
  14.                     'pergunta' => 'Quem descobriu o brasil?',
  15.                     'quem_respondeu' => 'renato',
  16.                     'reposta' => 'Hans Lippershey',
  17.                 )
  18. 			)
  19. 	);
  20.  
  21. $comentarios = array(
  22. 		17 => 2,
  23. 		16 => 4
  24. 	);
  25.  
  26.  
  27.  
  28.  
  29. for($i = 0 ; $i < count($array['dados']); $i++)
  30. {
  31. 	$array['dados'][$i]['comentarios'] = 
  32. 	          isset($comentarios[$array['dados'][$i]['id']]) 
  33. 	          ? $comentarios[$array['dados'][$i]['id']]
  34. 	          : 0;
  35. }
  36.  
  37. print_r($array);	
  38.  
  39.  
  40.  
Success #stdin #stdout 0s 52488KB
comments (?)
stdin 
Standard input is empty
stdout 
Array
(
    [totalDePerguntas] => 2
    [dados] => Array
        (
            [0] => Array
                (
                    [id] => 16
                    [pergunta] => Quem criou o telescópio?
                    [quem_respondeu] => renato
                    [reposta] => Hans Lippershey
                    [comentarios] => 4
                )

            [1] => Array
                (
                    [id] => 17
                    [pergunta] => Quem descobriu o brasil?
                    [quem_respondeu] => renato
                    [reposta] => Hans Lippershey
                    [comentarios] => 2
                )

        )

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

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