3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $myobject = new stdclass; $var = 'a1'; echo $myobject->$var;
Output for 5.2.6 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Notice: Undefined property: stdClass::$a1 in /in/6dmnV on line 5
Output for 5.0.0 - 5.2.5
Notice: Undefined property: stdClass::$a1 in /in/6dmnV on line 5
Output for 4.3.0 - 4.4.9
Notice: Undefined property: a1 in /in/6dmnV on line 5