public function change($index, $value)
    {
        foreach ($this->records as $idx => $record) {
            $this->records[$idx][$index] = $value;
        }
        return $this;
    }
    public function setData($data)
    {
        $this->records = $data;
        return $this;
    }
    public function get()
    {
        return $this->records;
    }
}
$norm = new Normalizer([['id' => 1, 'first_name' => 'Daison', 'last_name' => 'Carino', 'age' => 24, 'address' => '#21 Malunggay St. Project 7, Quezon City, Pangasinan', 'is_married' => false], ['id' => 2, 'first_name' => 'Nissan Mae', 'last_name' => 'Dela Cruz', 'age' => 25, 'address' => 'Calobaoan, San Carlos Pangasinan', 'is_married' => false], ['id' => 3, 'first_name' => 'Daison Lancer', 'last_name' => 'Carino', 'age' => 6, 'address' => 'Calobaoan, San Carlos Pangasinan']]);
$norm->filter('Daison', 'first_name', function ($A) use($norm) {
    $A->filter('Carino', 'last_name', function ($B) use($norm) {
        $B->removeIndex('id');
        return $B;
    });
    return $A;
});
$norm->addIndex($new_key = 'gender', $after_key = 'age');
var_dump($norm->get());
exit;
$norm->transform($indexes = ['is_married'], $pattern = [false => 'No', true => 'Yes']);
$norm->reIndex($indexes = ['id' => 'ID', 'first_name' => 'First Name', 'last_name' => 'Last Name', 'age' => 'Age', 'gender' => 'Gender', 'address' => 'Address', 'is_married' => 'Married']);
var_dump($norm->get());