3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php class Foo { private $var; public function buggy() { $bar = new Bar; $bar->prop = & $this->var; $bar->modify(); var_dump($this->var); } } class Bar { public $prop; public function modify() { $this->prop = $this->prop . 'xxx'; } } $o = new Foo; $o->buggy();
based on Pksqn
Output for 5.0.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
string(3) "xxx"
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/b1Mj7 on line 5
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/b1Mj7 on line 5
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/b1Mj7 on line 5
Process exited with code 255.