Error

PHP Noticeyii\base\ErrorException

Undefined variable: fil

$_GET = [
    'url1' => 'astana',
    'url2' => 'phone',
    'url3' => '1',
    'url4' => 'Samsung',
    'url5' => 'j1',
];

$_SESSION = [
    '__flash' => [],
    'city' => 'astana',
];