VisibilityHack

VisibilityHack.php

<?php
/**
 * Tools for accessing "invisible" properties and calling "invisible" methods
 *
 * @author   Jan Tvrdík
 * @license  MIT
 */
class VisibilityHack
{
	/**
	 * Calls method
	 *
	 * @param    string|object     class name (for static methods) or class instance
	 * @param    string            method name
	 * @param    array             method parameters
	 * @return   mixed             value returned by method
	 */
	public static function callMethod($object, $method, $params = array())
	{
		$reflection = new ReflectionMethod($object, $method);
		$reflection->setAccessible(TRUE);
		
		// $reflection->invokeArgs doesn't work with static methods
		array_unshift($params, $object);
		return call_user_func_array(array($reflection, 'invoke'), $params);
	}

	/**
	 * Reads property value
	 *
	 * @param    string|object     class name (for static properties) or class instance
	 * @param    string            property name
	 * @return   mixed             property value
	 */
	public static function getPropertyValue($object, $property)
	{
		$reflection = new ReflectionProperty($object, $property);
		$reflection->setAccessible(TRUE);
		return $reflection->getValue($object);
	}

	/**
	 * Sets property value
	 *
	 * @param    string|object     class name (for static properties) or class instance
	 * @param    string            property name
	 * @param    mixed             new property value
	 * @return   void
	 */
	public static function setPropertyValue($object, $property, $value)
	{
		$reflection = new ReflectionProperty($object, $property);
		$reflection->setAccessible(TRUE);
		$reflection->setValue($object, $value);
	}
}