3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php class A {} $a = new A; var_dump(interface_exists($a));
Output for 5.0.2 - 5.6.28, 7.0.0 - 7.1.0
Warning: interface_exists() expects parameter 1 to be string, object given in /in/fH1RG on line 6 NULL
Output for hhvm-3.10.0 - 3.12.0
Catchable fatal error: Object of class A could not be converted to string in /in/fH1RG on line 6
Process exited with code 255.
Output for 5.0.0 - 5.0.1
Fatal error: Call to undefined function interface_exists() in /in/fH1RG on line 6
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: interface_exists() in /in/fH1RG on line 6
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: interface_exists() in /in/fH1RG on line 6
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: interface_exists() in /in/fH1RG on line 6