<?php

use Illuminate\Validation\Validator;
use Illuminate\Translation\Translator;
use Illuminate\Translation\FileLoader;
use Illuminate\Filesystem\Filesystem;

$filesystem = new Filesystem();
$loader = new FileLoader($filesystem, '');
$translator = new Translator($loader, 'us');

// custom validator rule called "starts"
$customRules = [
    'starts' => function($attribute, $value, $parameters) {
        return 0 === strpos($value, array_shift($parameters));
    }
];

$data = [
    'name' => 'John',
];

$rules = [
    'name' => 'starts:Jo',
];

$validator = new Validator(
    $translator,
    $data,
    $rules
);
$validator->addExtensions($customRules);

// does attribute "name" value starts with "Jo"?
$hasPassed = $validator->passes();

dump($hasPassed);


^ true

• Validation in Laravel
• Supporting Laravel class for Arrays: flatten an multidimensional array
• Laravel wildcard event listeners

PHP 8.2, Laminas MVC 3.2, Symfony 5.2, Laravel 8.28, PHPUnit 9.5, Doctrine ORM 2.8