Call private and private static functions

private.php

<?php

function callPrivate($object, $methodName /*, $arg1, $arg2, ... */)
{
    if(!is_object($object))
        throw new Exception('$object is not an object');

    if(!method_exists($object, $methodName))
        throw new Exception("\$object has no method $method");

    $args = array_slice(func_get_args(), 2);
    $method = new ReflectionMethod(get_class($object), $methodName);
    $method->setAccessible(TRUE);
 
    return $method->invokeArgs($object, $args);
}

function callPrivateStatic($className, $methodName /*, $arg1, ... */)
{
    if(!class_exists($className))
        throw new Exception("Class $className does not exist");

    if(!method_exists($className, $methodName))
        throw new Exception("$className has no static method $method");

    $args = array_slice(func_get_args(), 2);
    $method = new ReflectionMethod($className, $methodName);
    $method->setAccessible(TRUE);
 
    return $method->invokeArgs(NULL, $args);
}