silverstripe-framework/control/injector/AopProxyService.php

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<?php
/**
* A class that proxies another, allowing various functionality to be
* injected
*
* @author marcus@silverstripe.com.au
* @package sapphire
* @subpackage injector
*
* @license http://silverstripe.org/bsd-license/
*/
class AopProxyService {
public $beforeCall = array();
public $afterCall = array();
public $proxied;
public function __call($method, $args) {
if (method_exists($this->proxied, $method)) {
$continue = true;
if (isset($this->beforeCall[$method])) {
$result = $this->beforeCall[$method]->beforeCall($this->proxied, $method, $args);
if ($result === false) {
$continue = false;
}
}
if ($continue) {
$result = call_user_func_array(array($this->proxied, $method), $args);
if (isset($this->afterCall[$method])) {
$this->afterCall[$method]->afterCall($this->proxied, $method, $args, $result);
}
return $result;
}
}
}
}