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  1. <?php
  2.  
  3. $data = array(
  4.     "foo" => array(
  5.         "bar" => array(
  6.             "baz" => "hello",
  7.             "bee" => "welcome"
  8.         ),
  9.         "byte" => "yup",
  10.         "sigmund" => array( ),
  11.     ),
  12.     "tale" => "wup"
  13. );
  14.  
  15. function toPathArray($nestedArr) {
  16.     $res = array();
  17.     foreach ($nestedArr as $key => $val) {
  18.         if (is_array($val)) {
  19.             foreach (toPathArray($val) as $innerKey => $innerVal) {
  20.                 $res["$key/$innerKey"] = $innerVal;
  21.             }
  22.         } else {
  23.             $res[$key] = $val;
  24.         }
  25.     }
  26.     return $res;
  27. }
  28.  
  29. print_r(toPathArray($data));
  30.  
Success #stdin #stdout 0.01s 20568KB
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stdin
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Standard input is empty
stdout
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Array
(
    [foo/bar/baz] => hello
    [foo/bar/bee] => welcome
    [foo/byte] => yup
    [tale] => wup
)
https://ideone.com/FJHW7z
language:
PHP (php 7.3.5)
created:
10 years ago
visibility:
public

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