PHP code example of programmatordev / fluent-validator

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

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

    

programmatordev / fluent-validator example snippets

use ProgrammatorDev\FluentValidator\Validator;

// example: validate the user's age to ensure it's between 18 and 60
$errors = Validator::notBlank()
    ->greaterThanOrEqual(18)
    ->lessThan(60)
    ->validate($age);

if ($errors->count() > 0) {
    // handle errors
}

use Symfony\Component\Validator\Constraints\GroupSequence;

validate(mixed $value, ?string $name = null, string|GroupSequence|array|null $groups = null): ConstraintViolationListInterface

use ProgrammatorDev\FluentValidator\Validator;

$errors = Validator::email()->validate('[email protected]');

if ($errors->count() > 0) {
    foreach ($errors as $error) {
        $message = $error->getMessage();
        // ...
    }
}

use Symfony\Component\Validator\Constraints\GroupSequence;

assert(mixed $value, ?string $name = null, string|GroupSequence|array|null $groups = null): void

use ProgrammatorDev\FluentValidator\Exception\ValidationFailedException;
use ProgrammatorDev\FluentValidator\Validator;

try {
    Validator::notBlank()->assert($name);
    Validator::notBlank()->email()->assert($email);
}
catch (ValidationFailedException $exception) {
    // exception message will always be the first error thrown
    $message = $exception->getMessage();
    // value that failed validation
    $value = $exception->getInvalidValue();
    // get access to all errors
    // returns a ConstraintViolationList object like in the validate method
    $errors = $exception->getViolations();
    
    // ...
}

use Symfony\Component\Validator\Constraints\GroupSequence;

isValid(mixed $value, string|GroupSequence|array|null $groups = null): bool

use ProgrammatorDev\FluentValidator\Validator;

if (!Validator::email()->isValid($email)) {
    // handle invalid email
}

use Symfony\Component\Validator\Constraint;

/** @return Constraint[] */
getConstraints(): array

use ProgrammatorDev\FluentValidator\Validator;

$constraints = Validator::notBlank()->email()->getConstraints();

use ProgrammatorDev\FluentValidator\Validator;

// validate that array should have at least one value
// and each value should be between 0 and 100
$errors = Validator::count(min: 1)
    ->all(Validator::range(min: 0, max: 100)->getConstraints())
    ->validate($value);

addNamespace(string $namespace): void

use Symfony\Contracts\Translation\TranslatorInterface;

setTranslator(?TranslatorInterface $translator): void

namespace App\Constraint;

use Symfony\Component\Validator\Constraint;

class ContainsAlphanumeric extends Constraint
{
    // set configurable options
}

namespace App\Constraint;

use Symfony\Component\Validator\Constraint;
use Symfony\Component\Validator\ConstraintValidator;

class ContainsAlphanumericValidator extends ConstraintValidator
{
    public function validate(mixed $value, Constraint $constraint): void
    {
        // custom validation logic
    }
}

use ProgrammatorDev\FluentValidator\Validator;

Validator::addNamespace('App\Constraint');

Validator::notBlank()->containsAlphanumeric()->isValid('!'); // false
Validator::notBlank()->containsAlphanumeric()->isValid('v4l1d'); // true

use ProgrammatorDev\FluentValidator\Translator\Translator;

// set translator to Portuguese (Portugal) locale
Validator::setTranslator(new Translator('pt'));

// now all error messages will be in Portuguese
Validator::notBlank()->validate('');