Error

PHP Noticeyii\base\ErrorException

Undefined offset: 2

$_GET = [
    'name' => 'Cabluri ALIMENTARE',
    'id' => '217',
    'filter1' => 'Tip%20cablu%7CMYYM%7C674',
    'filter2' => 'Sectiune%20conductor%7C1.0%7C958',
];