vendor/symfony/validator/Validation.php line 45

  1. <?php
  3. /*
  4.  * This file is part of the Symfony package.
  5.  *
  6.  * (c) Fabien Potencier <fabien@symfony.com>
  7.  *
  8.  * For the full copyright and license information, please view the LICENSE
  9.  * file that was distributed with this source code.
  10.  */
  12. namespace Symfony\Component\Validator;
  14. use Symfony\Component\Validator\Exception\ValidationFailedException;
  15. use Symfony\Component\Validator\Validator\ValidatorInterface;
  17. /**
  18.  * Entry point for the Validator component.
  19.  *
  20.  * @author Bernhard Schussek <bschussek@gmail.com>
  21.  */
  22. final class Validation
  23. {
  24.     /**
  25.      * Creates a callable chain of constraints.
  26.      */
  27.     public static function createCallable(Constraint|ValidatorInterface $constraintOrValidator = null, Constraint ...$constraints): callable
  28.     {
  29.         $validator = self::createIsValidCallable($constraintOrValidator, ...$constraints);
  31.         return static function ($value) use ($validator) {
  32.             if (!$validator($value, $violations)) {
  33.                 throw new ValidationFailedException($value, $violations);
  34.             }
  36.             return $value;
  37.         };
  38.     }
  40.     /**
  41.      * Creates a callable that returns true/false instead of throwing validation exceptions.
  42.      *
  43.      * @return callable(mixed $value, ConstraintViolationListInterface &$violations = null): bool
  44.      */
  45.     public static function createIsValidCallable(Constraint|ValidatorInterface $constraintOrValidator = null, Constraint ...$constraints): callable
  46.     {
  47.         $validator = $constraintOrValidator;
  49.         if ($constraintOrValidator instanceof Constraint) {
  50.             $constraints = \func_get_args();
  51.             $validator = null;
  52.         }
  54.         $validator ??= self::createValidator();
  56.         return static function (mixed $value, ConstraintViolationListInterface &$violations = null) use ($constraints, $validator): bool {
  57.             $violations = $validator->validate($value, $constraints);
  59.             return 0 === $violations->count();
  60.         };
  61.     }
  63.     /**
  64.      * Creates a new validator.
  65.      *
  66.      * If you want to configure the validator, use
  67.      * {@link createValidatorBuilder()} instead.
  68.      */
  69.     public static function createValidator(): ValidatorInterface
  70.     {
  71.         return self::createValidatorBuilder()->getValidator();
  72.     }
  74.     /**
  75.      * Creates a configurable builder for validator objects.
  76.      */
  77.     public static function createValidatorBuilder(): ValidatorBuilder
  78.     {
  79.         return new ValidatorBuilder();
  80.     }
  82.     /**
  83.      * This class cannot be instantiated.
  84.      */
  85.     private function __construct()
  86.     {
  87.     }
  88. }