* @template-implements ArrayAccess */ class TreeWalkerChainIterator implements Iterator, ArrayAccess { /** @var class-string[] */ private $walkers = []; /** @var TreeWalkerChain */ private $treeWalkerChain; /** @var AbstractQuery */ private $query; /** @var ParserResult */ private $parserResult; /** * @param AbstractQuery $query * @param ParserResult $parserResult */ public function __construct(TreeWalkerChain $treeWalkerChain, $query, $parserResult) { Deprecation::trigger( 'doctrine/orm', 'https://github.com/doctrine/orm/pull/9511', '%s is deprecated and will be removed without replacement.', self::class ); $this->treeWalkerChain = $treeWalkerChain; $this->query = $query; $this->parserResult = $parserResult; } /** * @return string|false * @psalm-return class-string|false */ #[ReturnTypeWillChange] public function rewind() { return reset($this->walkers); } /** * @return TreeWalker|null */ #[ReturnTypeWillChange] public function current() { return $this->offsetGet(key($this->walkers)); } /** * @return int */ #[ReturnTypeWillChange] public function key() { return key($this->walkers); } /** * @return TreeWalker|null */ #[ReturnTypeWillChange] public function next() { next($this->walkers); return $this->offsetGet(key($this->walkers)); } /** * {@inheritdoc} * * @return bool */ #[ReturnTypeWillChange] public function valid() { return key($this->walkers) !== null; } /** * @param mixed $offset * @psalm-param array-key|null $offset * * @return bool */ #[ReturnTypeWillChange] public function offsetExists($offset) { return isset($this->walkers[$offset ?? '']); } /** * @param mixed $offset * @psalm-param array-key|null $offset * * @return TreeWalker|null */ #[ReturnTypeWillChange] public function offsetGet($offset) { if ($this->offsetExists($offset)) { return new $this->walkers[$offset]( $this->query, $this->parserResult, $this->treeWalkerChain->getQueryComponents() ); } return null; } /** * {@inheritdoc} * * @param string $value * @psalm-param array-key|null $offset * * @return void */ #[ReturnTypeWillChange] public function offsetSet($offset, $value) { if ($offset === null) { $this->walkers[] = $value; } else { $this->walkers[$offset] = $value; } } /** * @param mixed $offset * @psalm-param array-key|null $offset * * @return void */ #[ReturnTypeWillChange] public function offsetUnset($offset) { if ($this->offsetExists($offset)) { unset($this->walkers[$offset ?? '']); } } }