* * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Symfony\Component\HtmlSanitizer\Visitor\AttributeSanitizer; use Symfony\Component\HtmlSanitizer\HtmlSanitizerConfig; /** * Implements attribute-specific sanitization logic. * * @author Titouan Galopin */ interface AttributeSanitizerInterface { /** * Returns the list of element names supported, or null to support all elements. * * @return list|null */ public function getSupportedElements(): ?array; /** * Returns the list of attributes names supported, or null to support all attributes. * * @return list|null */ public function getSupportedAttributes(): ?array; /** * Returns the sanitized value of a given attribute for the given element. */ public function sanitizeAttribute(string $element, string $attribute, string $value, HtmlSanitizerConfig $config): ?string; }