awurth / slim-validation

v5.1.0 2026-09-03 20:20 UTC

Requires

• php: >=8.1
• respect/validation: ^2.0
• symfony/options-resolver: ^6.0 || ^7.0 || ^8.0
• symfony/property-access: ^6.0 || ^7.0 || ^8.0

Requires (Dev)

• friendsofphp/php-cs-fixer: ^3.41
• phpstan/phpstan: ^2.2
• phpunit/phpunit: ^10.5
• psr/http-message: ^1.0 || ^2.0
• slim/psr7: ^1.6
• slim/slim: ^4.15
• twig/twig: ^3.8

MIT

• Alexis Wurth

• validator
• respect
• validation
• validate
• slim

Published on Packagist.org on 2026-09-03 20:27 UTC

README

A wrapper around the Respect Validation PHP validation library for easier error handling and display

This project was originally designed to be used with the Micro-Framework "Slim", hence the name "Slim Validation", but can now be used in any other PHP project.

Installation

$ composer require awurth/slim-validation "^5.0"

Documentation

• 5.x (current, PHP >= 8.1)
  • Validating subjects
  • Rule options
  • Working with failures
  • Twig integration
  • Extending
• 3.4 (outdated, PHP >= 7.1)

Usage

The following example shows how to validate that a string is at least 10 characters long:

use Awurth\Validator\Validator;
use Respect\Validation\Validator as V;

$validator = Validator::create();
$failures = $validator->validate('Too short', V::notBlank()->length(min: 10));

if (0 !== $failures->count()) {
    // Validation failed: display errors
    foreach ($failures as $failure) {
        echo $failure->getMessage();
    }
}

The validate() method returns a list of validation failures as an object that implements ValidationFailureCollectionInterface. If you have lots of validation failures, you can filter them with a callback:

use Awurth\Validator\Failure\ValidationFailureInterface;

$failures = $validator->validate(/* ... */);
$filteredFailures = $failures->filter(static function (ValidationFailureInterface $failure, int $index): bool {
    return $failure->getRuleName() === 'notBlank';
});

License

This package is available under the MIT license.