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<?php
namespace Slince\Upload\Constraint;
use Symfony\Component\HttpFoundation\File\UploadedFile;
class ExtensionConstraint implements ConstraintInterface
{
/**
* @var string
*/
protected $errorMessageTemplate = 'File extension {extension} is invalid';
* allowed extensions
* @var array
protected $allowedExtensions = [];
public function __construct(array $allowedExtensions)
$this->allowedExtensions = $allowedExtensions;
}
* {@inheritdoc}
public function validate(UploadedFile $file): bool
return in_array($file->getClientOriginalExtension(), $this->allowedExtensions);
public function getErrorMessage(UploadedFile $file): string
return str_replace('{extension}', $file->getClientOriginalExtension(), $this->errorMessageTemplate);
public function setErrorMessage(string $messageTemplate): void
$this->errorMessageTemplate = $messageTemplate;
slince /
upload
