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<?php
declare(strict_types=1);
namespace SlayerBirden\DataFlow\Pipe;
use SlayerBirden\DataFlow\DataBagInterface;
use SlayerBirden\DataFlow\PipeInterface;
use SlayerBirden\DataFlow\IdentificationTrait;
class Map implements PipeInterface
{
use IdentificationTrait;
/**
* @var string
*/
private $field;
* @var MapperCallbackInterface
private $callback;
private $identifier;
public function __construct(string $identifier, string $field, MapperCallbackInterface $callback)
$this->identifier = $identifier;
$this->field = $field;
$this->callback = $callback;
}
* Mapping handler.
* Proceeds to transform an entry to a new value using callback function.
*
* {@inheritdoc}
public function pass(DataBagInterface $dataBag): DataBagInterface
$dataBag[$this->field] = ($this->callback)($dataBag[$this->field] ?? null, $dataBag);
return $dataBag;
SlayerBirden /
dataflow
