better?

<?php
class Outer {
    protected $data;

    public function __construct($data) {
        /* array access will be implemented by the time we get to here */
        $this->data = $data;
    }

    public function getDataProxy() {
        /* create a proxy object implementing array access */
        return new class extends $this implements ArrayAccess {
            public function offsetGet($offset) { return $this->data[$offset]; }
            public function offsetSet($offset, $data) { return ($this->data[$offset] = $data); }
            public function offsetUnset($offset) { unset($this->data[$offset]); }
            public function offsetExists($offset) { return isset($this->data[$offset]); }
        }($this->data);
    }
}

$outer = new Outer($_SERVER);
$proxy = $outer->getDataProxy();

var_dump($proxy["argv"]);
var_dump($proxy["argc"]);
?>