// Undo wp_magic_quotes()

$_GET     = stripslashes_deep($_GET);
$_POST    = stripslashes_deep($_POST);
$_COOKIE  = stripslashes_deep($_COOKIE);
$_SERVER  = stripslashes_deep($_SERVER);
$_REQUEST = array_merge($_GET, $_POST);

// Capture request

$request = Request::capture();

// Redo wp_magic_quotes()

wp_magic_quotes();

<?php

declare(strict_types=1);

namespace App\Bootstrap;

use Illuminate\Contracts\Foundation\Application;
use Illuminate\Http\Request;

class UndoWpMagicQuotes
{
    public function bootstrap(Application $app): void
    {
        /** @var Request $request */
        $request = $app->make('request');

        $request->query->replace(stripslashes_deep($_GET));
        $request->request->replace(stripslashes_deep($_POST));
        $request->cookies->replace(stripslashes_deep($_COOKIE));
        $request->server->replace(stripslashes_deep($_SERVER));
    }
}