PHP equivalent to C# dynamic

php_dynamic.php

<?php

class dynamic {
    private $data;
    
    public function __construct($data) {
        $this->data = $data;
    }
    
    public function __call($method, $arguments) {
        if (true === array_key_exists($method, $this->data)) {
            if (0 < is_array($this->data[$method]) && count($arguments)) {
                if (true === array_key_exists($arguments[0], $this->data[$method])) {
                    return new self($this->data[$method][$arguments[0]]);
                }
            }

            return $this->data[$method];
        }
    }
}

$data = [
    'users' => [ 
        1 => [
            'name' => 'sample',
            'age' => 21
        ],
        5 => [
            'name' => 'sample',
            'age' => 25,
            'books' => [
                1 => [
                    'title' => 'Moby Dick'
                ]
            ]
        ]
    ]
];

$obj = new dynamic($data);

printf('$obj->users(1)->age() = %d' . PHP_EOL, $obj->users(1)->age());
printf('$obj->users(5)->age() = %d'. PHP_EOL, $obj->users(5)->age());
printf('$obj->users(5)->books(1)->title() = %s' . PHP_EOL, $obj->users(5)->books(1)->title());

/*
run with php dynamic.php

output is:

$obj->users(1)->age() = 21
$obj->users(5)->age() = 25
$obj->users(5)->books(1)->title() = Moby Dick

*/