Current File : //www/varak.net/losik.varak.net/vendor/dibi/dibi/src/Dibi/ResultIterator.php
<?php
/**
* This file is part of the Dibi, smart database abstraction layer (https://dibiphp.com)
* Copyright (c) 2005 David Grudl (https://davidgrudl.com)
*/
declare(strict_types=1);
namespace Dibi;
/**
* External result set iterator.
*/
class ResultIterator implements \Iterator, \Countable
{
use Strict;
/** @var Result */
private $result;
/** @var mixed */
private $row;
/** @var int */
private $pointer = 0;
public function __construct(Result $result)
{
$this->result = $result;
}
/**
* Rewinds the iterator to the first element.
*/
public function rewind(): void
{
$this->pointer = 0;
$this->result->seek(0);
$this->row = $this->result->fetch();
}
#[\ReturnTypeWillChange]
/**
* Returns the key of the current element.
* @return mixed
*/
public function key()
{
return $this->pointer;
}
#[\ReturnTypeWillChange]
/**
* Returns the current element.
* @return mixed
*/
public function current()
{
return $this->row;
}
/**
* Moves forward to next element.
*/
public function next(): void
{
$this->row = $this->result->fetch();
$this->pointer++;
}
/**
* Checks if there is a current element after calls to rewind() or next().
*/
public function valid(): bool
{
return !empty($this->row);
}
/**
* Required by the Countable interface.
*/
public function count(): int
{
return $this->result->getRowCount();
}
}
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