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<?php
declare(strict_types=1);
namespace Doctrine\ORM\Internal\Hydration;
use Iterator;
use ReturnTypeWillChange;
/**
* Represents a result structure that can be iterated over, hydrating row-by-row
* during the iteration. An IterableResult is obtained by AbstractHydrator#iterate().
*
* @deprecated
*/
class IterableResult implements Iterator
{
/** @var AbstractHydrator */
private $_hydrator;
/** @var bool */
private $_rewinded = false;
/** @var int */
private $_key = -1;
/** @var mixed[]|null */
private $_current = null;
/** @param AbstractHydrator $hydrator */
public function __construct($hydrator)
{
$this->_hydrator = $hydrator;
}
/**
* @return void
*
* @throws HydrationException
*/
#[ReturnTypeWillChange]
public function rewind()
{
if ($this->_rewinded === true) {
throw new HydrationException('Can only iterate a Result once.');
}
$this->_current = $this->next();
$this->_rewinded = true;
}
/**
* Gets the next set of results.
*
* @return mixed[]|false
*/
#[ReturnTypeWillChange]
public function next()
{
$this->_current = $this->_hydrator->hydrateRow();
$this->_key++;
return $this->_current;
}
/** @return mixed */
#[ReturnTypeWillChange]
public function current()
{
return $this->_current;
}
/** @return int */
#[ReturnTypeWillChange]
public function key()
{
return $this->_key;
}
/** @return bool */
#[ReturnTypeWillChange]
public function valid()
{
return $this->_current !== false;
}
}
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