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<?php |
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namespace MaxGoryunov\SavingIterator\Src; |
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use ArrayAccess; |
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use Countable; |
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use Iterator; |
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/** |
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* Safe array iterator. Copies array when cloned. |
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* @template TKey |
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* @template TValue |
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* @implements ArrayAccess<TKey, TValue> |
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* @implements Iterator<TKey, TValue> |
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* |
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* @since 0.3 |
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*/ |
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final class SafeArrayIterator implements ArrayAccess, Countable, Iterator |
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{ |
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/** |
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* Ctor. |
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* |
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* @phpstan-param array<TKey, TValue> $stored |
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* @param array<mixed, mixed> $stored array for stored values. |
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*/ |
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public function __construct( |
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/** |
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* Array for stored values. |
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* |
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* @phpstan-var array<TKey, TValue> |
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* @var array |
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*/ |
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private array $stored = [] |
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) { |
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} |
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/** |
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* {@inheritDoc} |
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* @phpstan-param TKey $offset |
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* @phpstan-param TValue $value |
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*/ |
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public function offsetSet(mixed $offset, mixed $value): void |
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{ |
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$this->stored[$offset] = $value; |
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} |
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/** |
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* {@inheritDoc} |
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* @phpstan-param TKey $offset |
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*/ |
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public function offsetGet(mixed $offset): mixed |
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{ |
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return $this->stored[$offset]; |
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} |
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/** |
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* {@inheritDoc} |
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* @phpstan-param TKey $offset |
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*/ |
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public function offsetExists(mixed $offset): bool |
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{ |
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return isset($this->stored[$offset]); |
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} |
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/** |
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* {@inheritDoc} |
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* @phpstan-param TKey $offset |
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*/ |
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public function offsetUnset(mixed $offset): void |
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{ |
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unset($this->stored); |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function count(): int |
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{ |
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return count($this->stored); |
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} |
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/** |
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* {@inheritDoc} |
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* @phpstan-return TValue |
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*/ |
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public function current(): mixed |
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{ |
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return current($this->stored); |
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} |
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/** |
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* {@inheritDoc} |
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* @phpstan-return TKey |
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*/ |
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public function key(): mixed |
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{ |
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return key($this->stored); |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function next(): void |
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{ |
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next($this->stored); |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function valid(): bool |
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{ |
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return key($this->stored) !== null; |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function rewind(): void |
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{ |
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reset($this->stored); |
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} |
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} |
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MaxGoryunov /
saving-iterator
