3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $o = new stdClass; echo $o->o;
Output for 5.2.6 - 7.1.0
Notice: Undefined property: stdClass::$o in /in/D2OYM on line 4
Output for 5.0.0 - 5.2.5
Notice: Undefined property: stdClass::$o in /in/D2OYM on line 4
Output for 4.3.0 - 4.4.9
Notice: Undefined property: o in /in/D2OYM on line 4