Nette\StrictObject, simplified alternative for Nette\SmartObject (compatible with nette/utils 2.4)

StrictObject.php

<?php

/**
 * This file is part of the Nette Framework (https://nette.org)
 * Copyright (c) 2004 David Grudl (https://davidgrudl.com)
 */

namespace Nette;

use Nette\Utils\ObjectHelpers;


/**
 * Strict class for better experience.
 * - 'did you mean' hints
 * - access to undeclared members throws exceptions
 */
trait StrictObject
{

	/**
	 * @return mixed
	 * @throws MemberAccessException
	 */
	public function __call($name, $args)
	{
		ObjectHelpers::strictCall(get_class($this), $name);
	}


	/**
	 * @return void
	 * @throws MemberAccessException
	 */
	public static function __callStatic($name, $args)
	{
		ObjectHelpers::strictStaticCall(get_called_class(), $name);
	}


	/**
	 * @return mixed   property value
	 * @throws MemberAccessException if the property is not defined.
	 */
	public function & __get($name)
	{
		ObjectHelpers::strictGet(get_class($this), $name);
	}


	/**
	 * @return void
	 * @throws MemberAccessException if the property is not defined or is read-only
	 */
	public function __set($name, $value)
	{
		$class = get_class($this);
		if (ObjectHelpers::hasProperty($class, $name)) { // unsetted property
			$this->$name = $value;
		} else {
			ObjectHelpers::strictSet($class, $name);
		}
	}


	/**
	 * @return void
	 * @throws MemberAccessException
	 */
	public function __unset($name)
	{
		$class = get_class($this);
		if (!ObjectHelpers::hasProperty($class, $name)) {
			throw new MemberAccessException("Cannot unset the property $class::\$$name.");
		}
	}

}