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  1. <?php
  2.  
  3. function somaRecursiva(&$arr){
  4.     if (isset($arr["children"])){
  5.  
  6.         $arr["node_value"] = 0;
  7.  
  8.         foreach ($arr["children"] as $key => $value){
  9.             $arr["node_value"] += somaRecursiva($arr["children"][$key]);
  10.         }
  11.  
  12.  
  13.     }
  14.  
  15.     return $arr["node_value"] ?? 0;
  16. }
  17.  
  18. $array = array(
  19.         "node_id"=> 1,
  20.         "node_value" => 43.5,
  21.         "children" => array (
  22.             0 => array(
  23.                 "node_id" => 2,
  24.                 "node_value" => 12.4,
  25.                 "node_master" => 1),
  26.             1 => array(
  27.                 "node_id" => 3,
  28.                 "node_value" => 52.6,
  29.                 "node_master" => 1),
  30.             2 => array(
  31.                     "node_id"=> 4,
  32.                     "node_value" => 43.5,
  33.                     "children" => array (
  34.                         0 => array(
  35.                             "node_id" => 5,
  36.                             "node_value" => 49,
  37.                             "node_master" => 4),
  38.                         1 => array(
  39.                             "node_id" => 6,
  40.                             "node_value" => 40,
  41.                             "node_master" => 4)
  42.                     )
  43.                 )
  44.         )
  45. );
  46.  
  47. somaRecursiva($array);
  48.  
  49. echo "\nDepois da soma:";
  50. print_r($array);
Success #stdin #stdout 0.04s 82880KB
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Standard input is empty
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Depois da soma:Array
(
    [node_id] => 1
    [node_value] => 154
    [children] => Array
        (
            [0] => Array
                (
                    [node_id] => 2
                    [node_value] => 12.4
                    [node_master] => 1
                )

            [1] => Array
                (
                    [node_id] => 3
                    [node_value] => 52.6
                    [node_master] => 1
                )

            [2] => Array
                (
                    [node_id] => 4
                    [node_value] => 89
                    [children] => Array
                        (
                            [0] => Array
                                (
                                    [node_id] => 5
                                    [node_value] => 49
                                    [node_master] => 4
                                )

                            [1] => Array
                                (
                                    [node_id] => 6
                                    [node_value] => 40
                                    [node_master] => 4
                                )

                        )

                )

        )

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

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