A QnD class for keeping arrays straight

ArrayModel.php

<?php namespace App\Models;

use Illuminate\Support\Facades\Validator;
use Illuminate\Support\Fluent;

class ArrayModel extends Fluent
{
    public function __construct($data)
    {
        if (($validator = Validator::make($data, $this->rules()))->fails()) {
            throw new \InvalidArgumentException($validator->getMessageBag()->first());
        }
        parent::__construct($data);
    }

    protected function rules(): array {
        // Implement in your other subclass.
    }

    public static function make($data) {
        return (new static)($data);
    }
}

example.php

<?php

class A extends ArrayModel {
    protected function rules():array {
        return [
            'name' => 'string',
            'number' => 'numeric'
        ];
    }
}

$b = new A(['name' => 'Gustaf', 'number' => 4]);

dump($b->name);
dump($b->number);
dump($b->toArray());

//    $b = new A(['name' => 'Gustaf', 'number' => 'four']); // Throws an error.