<?php

class A_Static_One {
	
    static private $singleton = null;
    public $options = array(
		'test' => 'yes'
		);

    public function instance($data=array()) {
        if (is_null(self::$singleton)) {
            self::$singleton = new self();
		    self::$singleton->options = array_merge(self::$singleton->options, (array) $data);
        } else {
		    self::$singleton->options = array_merge(self::$singleton->options, (array) $data);
            return self::$singleton;
        }
    }

	private function __construct() {
	}

    public function get($key) {
        $o = self::instance();
		if (isset($o->options[$key])) {
			return $o->options[$key];
		}
		return false;
    }

    public function set($key, $value) {
        $o = self::instance();
        $o->options[$key] = $value;
        return true;
    }
}

print A_Static_One::get('test')."\n";

$o = A_Static_One::instance(array('a'=>'a1', 'b' => 'b2'));

var_dump(A_Static_One::get('b'));
var_dump($o->get('a'));

A_Static_One::set('bite', 'couille');
var_dump(A_Static_One::get('bite'));

echo "\n";