ldc-legaulois/app/Casts/NiceDate.php

<?php

namespace App\Casts;

use Illuminate\Contracts\Database\Eloquent\CastsAttributes;
use Illuminate\Support\Carbon;

//phpcs:disable Generic.CodeAnalysis.UnusedFunctionParameter.FoundInImplementedInterfaceAfterLastUsed
//phpcs:disable Generic.CodeAnalysis.UnusedFunctionParameter.FoundInImplementedInterfaceBeforeLastUsed
class NiceDate implements CastsAttributes
{
    public function get($model, $key, $value, $attributes)
    {
        $value = Carbon::parse($value);
        return $value->isToday() ?
            trans('Aujourd\'hui à :time', ['time' => $value->format('H:i')]) : $value->format('Y/m/d H:i');
    }

    public function set($model, $key, $value, $attributes)
    {
        return Carbon::parse($value)->format('Y-m-d H:i:s');
    }
}