source: Dev/branches/cakephp/cake/libs/overloadable_php4.php @ 126

<?php
/**
 * Overload abstraction interface.  Merges differences between PHP4 and 5.
 *
 * PHP versions 4 and 5
 *
 * CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
 * Copyright 2005-2011, Cake Software Foundation, Inc. (http://cakefoundation.org)
 *
 * Licensed under The MIT License
 * Redistributions of files must retain the above copyright notice.
 *
 * @copyright     Copyright 2005-2011, Cake Software Foundation, Inc. (http://cakefoundation.org)
 * @link          http://cakephp.org CakePHP(tm) Project
 * @package       cake
 * @subpackage    cake.cake.libs
 * @since         CakePHP(tm) v 1.2
 * @license       MIT License (http://www.opensource.org/licenses/mit-license.php)
 */

/**
 * Overloadable class selector
 *
 * Load the interface class based on the version of PHP.
 *
 * @package       cake
 * @subpackage    cake.cake.libs
 */
class Overloadable extends Object {

/**
 * Constructor.
 *
 * @access private
 */
        function __construct() {
                $this->overload();
                parent::__construct();
        }

/**
 * Overload implementation.
 *
 * @access public
 */
        function overload() {
                if (function_exists('overload')) {
                        if (func_num_args() > 0) {
                                foreach (func_get_args() as $class) {
                                        if (is_object($class)) {
                                                overload(get_class($class));
                                        } elseif (is_string($class)) {
                                                overload($class);
                                        }
                                }
                        } else {
                                overload(get_class($this));
                        }
                }
        }

/**
 * Magic method handler.
 *
 * @param string $method Method name
 * @param array $params Parameters to send to method
 * @param mixed $return Where to store return value from method
 * @return boolean Success
 * @access private
 */
        function __call($method, $params, &$return) {
                if (!method_exists($this, 'call__')) {
                        trigger_error(sprintf(__('Magic method handler call__ not defined in %s', true), get_class($this)), E_USER_ERROR);
                }
                $return = $this->call__($method, $params);
                return true;
        }
}
Overloadable::overload('Overloadable');

/**
 * Overloadable2 class selector
 *
 * Load the interface class based on the version of PHP.
 *
 * @package       cake
 * @subpackage    cake.cake.libs
 */
class Overloadable2 extends Object {

/**
 * Constructor
 *
 * @access private
 */
        function __construct() {
                $this->overload();
                parent::__construct();
        }

/**
 * Overload implementation.
 *
 * @access public
 */
        function overload() {
                if (function_exists('overload')) {
                        if (func_num_args() > 0) {
                                foreach (func_get_args() as $class) {
                                        if (is_object($class)) {
                                                overload(get_class($class));
                                        } elseif (is_string($class)) {
                                                overload($class);
                                        }
                                }
                        } else {
                                overload(get_class($this));
                        }
                }
        }

/**
 * Magic method handler.
 *
 * @param string $method Method name
 * @param array $params Parameters to send to method
 * @param mixed $return Where to store return value from method
 * @return boolean Success
 * @access private
 */
        function __call($method, $params, &$return) {
                if (!method_exists($this, 'call__')) {
                        trigger_error(sprintf(__('Magic method handler call__ not defined in %s', true), get_class($this)), E_USER_ERROR);
                }
                $return = $this->call__($method, $params);
                return true;
        }

/**
 * Getter.
 *
 * @param mixed $name What to get
 * @param mixed $value Where to store returned value
 * @return boolean Success
 * @access private
 */
        function __get($name, &$value) {
                $value = $this->get__($name);
                return true;
        }

/**
 * Setter.
 *
 * @param mixed $name What to set
 * @param mixed $value Value to set
 * @return boolean Success
 * @access private
 */
        function __set($name, $value) {
                $this->set__($name, $value);
                return true;
        }
}
Overloadable::overload('Overloadable2');