3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $f = new stdClass; echo strtolower($$f);
Output for 7.1.0 - 7.2.0
Recoverable fatal error: Object of class stdClass could not be converted to string in /in/0uSKR on line 2
Process exited with code 255.
Output for 5.2.0 - 7.0.20
Catchable fatal error: Object of class stdClass could not be converted to string in /in/0uSKR on line 2
Process exited with code 255.
Output for 5.0.4 - 5.1.6
Notice: Object of class stdClass to string conversion in /in/0uSKR on line 2 Notice: Undefined variable: Object in /in/0uSKR on line 2
Output for 5.0.0 - 5.0.3
Notice: Object of class stdClass to string conversion in /in/0uSKR on line 2 Notice: Undefined variable: Object in /in/0uSKR on line 2
Output for 4.3.0 - 4.4.9
Notice: Object to string conversion in /in/0uSKR on line 2 Notice: Undefined variable: Object in /in/0uSKR on line 2