KCI-CAMPAIGN-TRACKER/app/ViewModels/CampaignViewModel.php

<?php

declare(strict_types=1);

namespace App\ViewModels;

class CampaignViewModel
{
    public string $title   = 'Campaigns';
    public bool   $saved   = false;
    public bool   $deleted = false;

    /**
     * @var array{name: string, campaign_type_id: int|string, attribute_values: array<string, string>}
     */
    public array $form = [
        'campaign_type_id' => 0,
        'attribute_values' => [],
    ];

    /**
     * @var array<string, list<string>>
     */
    public array $errors = [];

    /**
     * @var array<string, mixed>|null
     */
    public ?array $campaign = null;

    /**
     * All campaign types with attributes decoded, used to populate the type
     * dropdown and drive the dynamic attribute fields.
     *
     * @var list<array{id: int, name: string, attributes: list<array{name: string, type: string}>}>
     */
    public array $campaignTypes = [];
}