| 1: | <?php declare(strict_types=1); |
| 2: | |
| 3: | namespace Salient\Iterator\Concern; |
| 4: | |
| 5: | use Salient\Iterator\GraphIterator; |
| 6: | use RecursiveIterator; |
| 7: | |
| 8: | /** |
| 9: | * Implements RecursiveIterator for GraphIterator subclasses |
| 10: | * |
| 11: | * @api |
| 12: | * |
| 13: | * @phpstan-require-extends GraphIterator |
| 14: | * @phpstan-require-implements RecursiveIterator |
| 15: | */ |
| 16: | trait RecursiveGraphIteratorTrait |
| 17: | { |
| 18: | /** |
| 19: | * @inheritDoc |
| 20: | */ |
| 21: | public function hasChildren(): bool |
| 22: | { |
| 23: | /** @var GraphIterator $this */ |
| 24: | $current = $this->current(); |
| 25: | if ($current === false) { |
| 26: | // @codeCoverageIgnoreStart |
| 27: | return false; |
| 28: | // @codeCoverageIgnoreEnd |
| 29: | } |
| 30: | |
| 31: | return is_object($current) || is_array($current); |
| 32: | } |
| 33: | |
| 34: | /** |
| 35: | * @inheritDoc |
| 36: | */ |
| 37: | public function getChildren(): ?self |
| 38: | { |
| 39: | /** @var GraphIterator $this */ |
| 40: | $key = $this->key(); |
| 41: | if ($key === null) { |
| 42: | // @codeCoverageIgnoreStart |
| 43: | return null; |
| 44: | // @codeCoverageIgnoreEnd |
| 45: | } |
| 46: | |
| 47: | if ($this->IsObject) { |
| 48: | $current = &$this->Graph->{$key}; |
| 49: | } else { |
| 50: | // @phpstan-ignore-next-line |
| 51: | $current = &$this->Graph[$key]; |
| 52: | } |
| 53: | |
| 54: | if (is_object($current) || is_array($current)) { |
| 55: | return new self($current); |
| 56: | } |
| 57: | |
| 58: | // @codeCoverageIgnoreStart |
| 59: | return null; |
| 60: | // @codeCoverageIgnoreEnd |
| 61: | } |
| 62: | } |
| 63: |