<?php
function setTier(array $nodes, $tier = 1)
{
return array_map(function ($node) use ($tier) {
$node->tier = $tier;
$node->children = setTier($node->children, $tier + 1);
return $node;
}, $nodes);
}
$structure = json_decode('
[{
"name": "a",
"children": [{
"name": "c",
"children": [{
"name": "e",
"children": [{
"name": "g",
"children": []
}]
}, {
"name": "f",
"children": []
}]
}, {
"name": "d",
"children": [{
"name": "h",
"children": []
}]
}]
}, {
"name": "b",
"children": []
}]
');
$structure = setTier($structure);
print_r($structure); die;
- Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
- Array
(
[0] => stdClass Object
(
[name] => a
[children] => Array
(
[0] => stdClass Object
(
[name] => c
[children] => Array
(
[0] => stdClass Object
(
[name] => e
[children] => Array
(
[0] => stdClass Object
(
[name] => g
[children] => Array
(
)
[tier] => 4
)
)
[tier] => 3
)
[1] => stdClass Object
(
[name] => f
[children] => Array
(
)
[tier] => 3
)
)
[tier] => 2
)
[1] => stdClass Object
(
[name] => d
[children] => Array
(
[0] => stdClass Object
(
[name] => h
[children] => Array
(
)
[tier] => 3
)
)
[tier] => 2
)
)
[tier] => 1
)
[1] => stdClass Object
(
[name] => b
[children] => Array
(
)
[tier] => 1
)
)
- Output for 8.3.5
- Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0
Array
(
[0] => stdClass Object
(
[name] => a
[children] => Array
(
[0] => stdClass Object
(
[name] => c
[children] => Array
(
[0] => stdClass Object
(
[name] => e
[children] => Array
(
[0] => stdClass Object
(
[name] => g
[children] => Array
(
)
[tier] => 4
)
)
[tier] => 3
)
[1] => stdClass Object
(
[name] => f
[children] => Array
(
)
[tier] => 3
)
)
[tier] => 2
)
[1] => stdClass Object
(
[name] => d
[children] => Array
(
[0] => stdClass Object
(
[name] => h
[children] => Array
(
)
[tier] => 3
)
)
[tier] => 2
)
)
[tier] => 1
)
[1] => stdClass Object
(
[name] => b
[children] => Array
(
)
[tier] => 1
)
)
preferences:
218.11 ms | 409 KiB | 287 Q