Simple registry

gistfile1.php

<?php

/*
* G::set('foo', 'bar');
* G::get('foo'); // bar
*/ 

class G {
    private static $_vars = array();
    
    static function get($k){
        return self::$_vars[$k];
    }
    
    static function set($k, $v){
        return self::$_vars[$k] = $v;
    }
}