* @copyright 2015 - 2017 Timothy J. Warren * @license http://www.opensource.org/licenses/mit-license.html MIT License * @version 2.1.0 * @link https://git.timshomepage.net/timw4mail/ion */ namespace Aviat\Ion; use BadMethodCallException; use InvalidArgumentException; use ReflectionClass; use ReflectionMethod; use ReflectionProperty; /** * Friend class for testing */ class Friend { /** * Object to create a friend of * @var object */ private $_friend_; /** * Reflection class of the object * @var object */ private $_reflect_; /** * Create a friend object * * @param object $obj * @throws InvalidArgumentException */ public function __construct($obj) { if ( ! is_object($obj)) { throw new InvalidArgumentException("Friend must be an object"); } $this->_friend_ = $obj; $this->_reflect_ = new ReflectionClass($obj); } /** * Retrieve a friend's property * * @param string $key * @return mixed */ public function __get(string $key) { if ($this->_reflect_->hasProperty($key)) { $property = $this->_get_property($key); return $property->getValue($this->_friend_); } return NULL; } /** * Set a friend's property * * @param string $key * @param mixed $value * @return void */ public function __set(string $key, $value) { if ($this->_reflect_->hasProperty($key)) { $property = $this->_get_property($key); $property->setValue($this->_friend_, $value); } } /** * Calls a protected or private method on the friend * * @param string $method * @param array $args * @return mixed * @throws BadMethodCallException */ public function __call(string $method, array $args) { if ( ! $this->_reflect_->hasMethod($method)) { throw new BadMethodCallException("Method '{$method}' does not exist"); } $friendMethod = new ReflectionMethod($this->_friend_, $method); $friendMethod->setAccessible(TRUE); return $friendMethod->invokeArgs($this->_friend_, $args); } /** * Iterates over parent classes to get a ReflectionProperty * * @param string $name * @return ReflectionProperty|null */ private function _get_property(string $name) { try { $property = $this->_reflect_->getProperty($name); $property->setAccessible(TRUE); return $property; } // Return NULL on any exception, so no further logic needed // in the catch block catch (\Exception $e) { return NULL; } } } // End of Friend.php