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<?php
namespace Laminas\Validator;
/**
* @psalm-type ValidatorSpecification = array{
* name: string|class-string<ValidatorInterface>,
* priority?: int,
* break_chain_on_failure?: bool,
* options?: array<string, mixed>,
* }
*/
interface ValidatorInterface
{
/**
* Returns true if and only if $value meets the validation requirements
*
* If $value fails validation, then this method returns false, and
* getMessages() will return an array of messages that explain why the
* validation failed.
*
* @param mixed $value
* @return bool
* @throws Exception\RuntimeException If validation of $value is impossible.
*/
public function isValid($value);
/**
* Returns an array of messages that explain why the most recent isValid()
* call returned false. The array keys are validation failure message identifiers,
* and the array values are the corresponding human-readable message strings.
*
* If isValid() was never called or if the most recent isValid() call
* returned true, then this method returns an empty array.
*
* @return array<string, string>
*/
public function getMessages();
}