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  1. <?php
  2.  
  3. $arr = [
  4.   'vehicle info' => [
  5.      'one' => ['submodel' => 'LX', 'engine' => '2.3'],
  6.      'two' => ['color' => 'blue', 'year' => '2007', 'wheels' => '4'],
  7.      'three' => ['submodel' => 'LX', 'make' => 'Ford', 'model' => 'F-150', 'offroad' => 'No'],
  8.     ],
  9. ];
  10.  
  11. function find($needle, $haystack, $found = '')
  12. {
  13.     foreach ($haystack as $key => $value) {
  14.         if ($found) {
  15.             break;
  16.         }
  17.         if ($key === $needle) {
  18.             $found = "{$needle} is {$value}";
  19.             break;
  20.         }
  21.         if (is_array($value)) {
  22.             $found = find($needle, $value, $found);
  23.         }
  24.     }
  25.     return $found;
  26. }
  27.  
  28. $multiple_keys = array('submodel', 'year');
  29.  
  30. foreach ($multiple_keys as $wanted) {
  31.     var_dump(find($wanted, $arr));
  32. }
  33.  
Success #stdin #stdout 0.01s 82880KB
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stdin
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Standard input is empty
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string(14) "submodel is LX"
string(12) "year is 2007"
https://ideone.com/YLkWrn
language:
PHP (php 7.3.5)
created:
6 years ago
visibility:
public

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