3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php class Foo { protected $bar; public function &__get($property) { echo 'get'.PHP_EOL;; switch ($property) { case 'bar': return $this->bar; //etc. } } public function __set($property, &$value) { echo 'set'.PHP_EOL; switch ($property) { case 'bar': $this->bar = &$value; break; //etc. } } } $foo = new Foo(); $foo->bar = 1; $foo->bar++; $baz = &$foo->bar; $baz++; echo $foo->bar;
Output for 5.3.0 - 5.4.21
Fatal error: Method Foo::__set() cannot take arguments by reference in /in/q2ILg on line 28
Process exited with code 255.