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  1. <?php
  2.  
  3. $array = [
  4. 	'd' => [
  5. 		'f',
  6. 		'e',
  7. 	],
  8. 	'a' => [
  9. 		'c',
  10. 		'j',
  11. 	],
  12. ];
  13.  
  14. function recur_asort(&$array) {
  15.    foreach ($array as &$value) {
  16.       if (is_array($value)) recur_asort($value);
  17.    }
  18.    return asort($array);
  19. }
  20.  
  21. recur_asort($array);
  22.  
  23. var_dump($array);
Success #stdin #stdout 0.02s 24668KB
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stdin
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Standard input is empty
stdout
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array(2) {
  ["d"]=>
  array(2) {
    [1]=>
    string(1) "e"
    [0]=>
    string(1) "f"
  }
  ["a"]=>
  array(2) {
    [0]=>
    string(1) "c"
    [1]=>
    string(1) "j"
  }
}
https://ideone.com/ICsPj1
language:
PHP (php 7.3.5)
created:
3 years ago
visibility:
public

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