PHP code example of selective / validation

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

selective / validation example snippets

use Selective\Validation\Exception\ValidationException;
use Selective\Validation\ValidationResult;

$validationResult = new ValidationResult();

if (empty($data['username'])) {
    $validationResult->addError('username', 'Input 

if ($validationResult->fails()) {
    throw new ValidationException('Please check your input', $validationResult);
}

use Selective\Validation\Exception\ValidationException;
use Selective\Validation\ValidationResult;

// ...

// Get all POST values
$data = (array)$request->getParsedBody();

$validation = new ValidationResult();

// Validate username
if (empty($data['username'])) {
    $validation->addError('username', 'Input 

use Selective\Validation\ValidationResult;

// Fetch json data from request as array
$jsonData = (array)$request->getParsedBody();

$validation = new ValidationResult();

// ...

if ($validation->fails()) {
    throw new ValidationException('Please check your input', $validation);
}

$jsonData = (array)json_decode(file_get_contents('php://input'), true);

// ...

use Selective\Validation\Factory\CakeValidationFactory;
use Selective\Validation\Regex\ValidationRegex;
// ...

$data = [ /* ... */ ];

$validationFactory = new CakeValidationFactory();
$validator = $validationFactory->createValidator();

$validator
    ->regex('id', ValidationRegex::ID, 'Invalid')
    ->regex('country', ValidationRegex::COUNTRY_ISO_2, 'Invalid country')
    ->regex('date_of_birth', ValidationRegex::DATE_DMY, 'Invalid date format');

use Psr\Container\ContainerInterface;
use Psr\Http\Message\ResponseFactoryInterface;
use Selective\Validation\Encoder\JsonEncoder;
use Selective\Validation\Middleware\ValidationExceptionMiddleware;
use Selective\Validation\Transformer\ErrorDetailsResultTransformer;
use Slim\App;
use Slim\Factory\AppFactory;
// ...

return [
    ValidationExceptionMiddleware::class => function (ContainerInterface $container) {
        $factory = $container->get(ResponseFactoryInterface::class);

        return new ValidationExceptionMiddleware(
            $factory, 
            new ErrorDetailsResultTransformer(), 
            new JsonEncoder()
        );
    },

    ResponseFactoryInterface::class => function (ContainerInterface $container) {
        $app = $container->get(App::class);

        return $app->getResponseFactory();
    },

    App::class => function (ContainerInterface $container) {
        AppFactory::setContainer($container);

        return AppFactory::create();
    },

    // ...

];

use Selective\Validation\Middleware\ValidationExceptionMiddleware;
use Slim\Factory\AppFactory;

run();

use Selective\Validation\ValidationException;
use Selective\Validation\ValidationResult;

$validation = new ValidationResult();

// Validate username
if (empty($data->username)) {
    $validation->addError('username', 'Input 

use Selective\Validation\Factory\CakeValidationFactory;
use Selective\Validation\Exception\ValidationException;
// ...

// Within the Action class: fetch the request data, e.g. from a JSON request
$data = (array)$request->getParsedBody();

// Within the Application Service class: Do the validation
$validationFactory = new CakeValidationFactory();
$validator = $validationFactory->createValidator();

$validator
    ->notEmptyString('username', 'Input 

namespace App\Transformer;

use Selective\Validation\Exception\ValidationException;
use Selective\Validation\Transformer\ResultTransformerInterface;
use Selective\Validation\ValidationResult;

final class MyValidationTransformer implements ResultTransformerInterface
{
    public function transform(
        ValidationResult $validationResult, 
        ValidationException $exception = null
    ): array {
        // Implement your own data structure for the response
        // ...

        return [];
    }
}