3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $bar = new Bar; $foo = new Foo; class Bar { public function __get($x) { global $foo; $foo->asd++; } } class Foo { public function __get($x) { global $bar; $bar->lol++; } } $foo->blah++; echo "Done\n";
Output for 5.5.24 - 5.5.36, 5.6.8 - 5.6.28, 7.0.0 - 7.1.0
Notice: Undefined property: Bar::$lol in /in/D6rbB on line 14 Done
Output for 5.1.0 - 5.1.6, hhvm-3.10.0 - 3.12.0
Done
Output for 5.5.0 - 5.5.23, 5.6.0 - 5.6.7
Notice: Undefined property: Bar::$lol in /in/D6rbB on line 14
Process exited with code 139.
Output for 5.2.0 - 5.4.45

Process exited with code 139.
Output for 5.0.0 - 5.0.5
Notice: Undefined property: Foo::$asd in /in/D6rbB on line 8 Done
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/D6rbB on line 6
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/D6rbB on line 6
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/D6rbB on line 6
Process exited with code 255.