3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php class Foo { protected $bar; public function &__get($property) { return $this->bar; } public function __set($property, $value) { $this->bar = &$value; } } $test = new Foo; $a = 0; $test->bar = $a; $a++; echo $test->bar;
Output for 5.1.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
0
Output for 5.0.0 - 5.0.5
Fatal error: Cannot access protected property Foo::$bar in /in/4ecZS on line 18
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/4ecZS on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/4ecZS on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/4ecZS on line 4
Process exited with code 255.