<?php
$items = array(
(object) array('id' => 1, 'parent_id' => 0),
(object) array('id' => 2, 'parent_id' => 0),
(object) array('id' => 3, 'parent_id' => 0),
(object) array('id' => 4, 'parent_id' => 1),
(object) array('id' => 5, 'parent_id' => 1),
(object) array('id' => 6, 'parent_id' => 2),
);
function buildTree($items) {
$childs = array();
foreach($items as $item)
$childs[$item->parent_id][] = $item;
foreach($items as $item) if (isset($childs[$item->id]))
$item->childs = $childs[$item->id];
return $childs[0];
}
$tree = buildTree($items);
print_r($tree);
- Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.14, 5.5.16 - 5.5.38, 5.6.0 - 5.6.32, 5.6.34 - 5.6.40, 7.0.0 - 7.0.9, 7.0.11, 7.0.13 - 7.0.33, 7.1.0 - 7.1.17, 7.1.19 - 7.1.33, 7.2.0 - 7.2.26, 7.3.0 - 7.3.13, 7.4.0 - 7.4.1, 8.1.28, 8.2.15 - 8.2.18, 8.3.2 - 8.3.6
- Array
(
[0] => stdClass Object
(
[id] => 1
[parent_id] => 0
[childs] => Array
(
[0] => stdClass Object
(
[id] => 4
[parent_id] => 1
)
[1] => stdClass Object
(
[id] => 5
[parent_id] => 1
)
)
)
[1] => stdClass Object
(
[id] => 2
[parent_id] => 0
[childs] => Array
(
[0] => stdClass Object
(
[id] => 6
[parent_id] => 2
)
)
)
[2] => stdClass Object
(
[id] => 3
[parent_id] => 0
)
)
- Output for 5.5.15, 5.6.33, 7.0.10, 7.0.12, 7.1.18
Process exited with code 137.- Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9
- Array
(
[0] => stdClass Object
(
[id] => 1
[parent_id] => 0
)
[1] => stdClass Object
(
[id] => 2
[parent_id] => 0
)
[2] => stdClass Object
(
[id] => 3
[parent_id] => 0
)
)
preferences:
209.6 ms | 402 KiB | 335 Q