3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php // Everything you enter here will be executed by our servers. Try it! class B implements C {} class A extends B {} class C {}
Output for 5.0.0 - 7.2.0
Fatal error: B cannot implement C - it is not an interface in /in/78Fol on line 4
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting '{' in /in/78Fol on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting '{' in /in/78Fol on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `'{'' in /in/78Fol on line 4
Process exited with code 255.