3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php class Test{ function __toString(){ return stravl(23); } } (string)new Test;
based on Bo9il
Output for 7.0.1 - 7.2.0
Fatal error: Method Test::__toString() must not throw an exception, caught Error: Call to undefined function stravl() in /in/0uKGu on line 0
Process exited with code 255.
Output for 7.0.0
Fatal error: Method Test::__toString() must not throw an exception in /in/0uKGu on line 0
Process exited with code 255.
Output for 5.3.20 - 5.6.21
Fatal error: Call to undefined function stravl() in /in/0uKGu on line 5
Process exited with code 255.