PHP anonymous class

Anonymous.php

<?php
/**
 * This is an helper class to quickly create anonymous classes
 * Usage:
 * $shellWrapper = new Anonymous();
 * $shellWrapper->exec = function($command) use($shellWrapper)
 * {
 *     return exec($command);
 * };
 * $shellWrapper->exec('ls -la .');
 */
class Anonymous
{
    function __call($name, $arguments)
    {
        if (isset($this->$name) && $this->$name instanceof \Closure)
        {
            return call_user_func_array($this->$name, $arguments);
        }
    }
}