Error

PHP Parse Erroryii\base\ErrorException

syntax error, unexpected 'if' (T_IF)

$_GET = [
    'page' => 'gallery',
    'slug' => '',
    'domain' => 'pongo.it',
    'pagination' => '1',
    'chrysnochache' => '0.33953800 1711628436',
    'page-index' => '5',
    'page-size' => '5',
];