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<?php
declare(strict_types=1);
namespace Yiisoft\Yii\Web\Exception;
use Yiisoft\FriendlyException\FriendlyExceptionInterface;
class HeadersHaveBeenSentException extends \Exception implements FriendlyExceptionInterface
{
public function getName(): string
return 'HTTP headers have been sent';
}
public function getSolution(): ?string
\headers_sent($filename, $line);
return "Headers already sent in {$filename} on line {$line}\n"
. "Emitter can't send headers once the headers block has already been sent.";
yiisoft /
yii-web
