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<?php
declare(strict_types=1);
namespace Doctrine\Migrations\Configuration\Connection\Loader;
use Doctrine\DBAL\Connection;
use Doctrine\DBAL\Tools\Console\Helper\ConnectionHelper;
use Doctrine\Migrations\Configuration\Connection\ConnectionLoaderInterface;
use Symfony\Component\Console\Helper\HelperSet;
class ConnectionHelperLoader implements ConnectionLoaderInterface
{
/** @var string */
private $helperName;
/** @var HelperSet */
private $helperSet;
public function __construct(?HelperSet $helperSet = null, string $helperName)
$this->helperName = $helperName;
if ($helperSet === null) {
$helperSet = new HelperSet();
}
$this->helperSet = $helperSet;
/**
* Read the input and return a Configuration, returns null if the config
* is not supported.
*/
public function chosen() : ?Connection
if ($this->helperSet->has($this->helperName)) {
$connectionHelper = $this->helperSet->get($this->helperName);
if ($connectionHelper instanceof ConnectionHelper) {
return $connectionHelper->getConnection();
return null;
doctrine /
migrations
