php recursive function to build array

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Nahel
15 Mar 2016
1function buildTree(array $elements, $parentId = 0) {
2    $branch = array();
3
4    foreach ($elements as $element) {
5        if ($element['parent_id'] == $parentId) {
6            $children = buildTree($elements, $element['id']);
7            if ($children) {
8                $element['children'] = $children;
9            }
10            $branch[] = $element;
11        }
12    }
13
14    return $branch;
15}
16
17$tree = buildTree($rows);
18
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