loophp\phptree\Modifier\RemoveNullNode::modify()

Complexity

Conditions	5
Paths	5

Size

Total Lines	21
Code Lines	10

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	11
CRAP Score	5

Importance

Changes

0

<?php
    public function modify(NodeInterface $tree): NodeInterface
    {
        /** @var \loophp\phptree\Node\ValueNodeInterface $item */
        foreach ($this->traverser->traverse($tree) as $item) {
            if (null === $parent = $item->getParent()) {
                continue;
            }

            if (false === $item->isLeaf()) {
                continue;
            }

            if (null !== $item->getValue()) {
                continue;
            }

            $parent->remove($item);
            $this->modify($parent);
        }

        return $tree;
    }