3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php var_dump(isset($a->b-c));
Output for hhvm-3.10.0 - 3.12.0
Notice: Undefined variable: a in /in/YYqGj on line 3 Notice: Cannot access property on non-object in /in/YYqGj on line 3 Notice: Use of undefined constant c - assumed 'c' in /in/YYqGj on line 3 bool(true)
Output for 5.3.0 - 5.4.6
Parse error: syntax error, unexpected '-', expecting ',' or ')' in /in/YYqGj on line 3
Process exited with code 255.