Online PHP editor | output for PBZRS

@ 2016-01-28T09:41:07Z

<?php

class MagicByRef {
	private $prop = 'hello';

	private function &getProp($name)
	{
		printf(
			"%s: %s is %s\n",
			__METHOD__,
			$name,
			property_exists($this, $name) ? 'exists' : 'not exists'
		);

		return $this->prop;
	}

	public function __set($name, $value)
	{
		echo __METHOD__ , "($name, $value)\n";
	}

	public function &__get($name)
	{
		echo __METHOD__ , "($name)\n";

		$this->$name = &$this->getProp($name);

		return $this->$name;
	}
}

echo 'Assignment by reference: $this->$name = &$this->getProp($name)', ":\n";
$m = new MagicByRef;

$m->hello;

Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.4 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34: Assignment by reference: $this->$name = &$this->getProp($name): MagicByRef::__get(hello) MagicByRef::getProp: hello is not exists
Output for 7.0.0 - 7.0.3: Assignment by reference: $this->$name = &$this->getProp($name): MagicByRef::__get(hello) MagicByRef::getProp: hello is exists
Output for 8.2.0 - 8.2.34, 8.3.0 - 8.3.35, 8.4.1 - 8.4.26, 8.5.0 - 8.5.11: Assignment by reference: $this->$name = &$this->getProp($name): MagicByRef::__get(hello) MagicByRef::getProp: hello is not exists Deprecated: Creation of dynamic property MagicByRef::$hello is deprecated in /in/PBZRS on line 27

preferences:dark modelive previewkey bindings