3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php abstract class B_inner_i { public abstract function bar(); } class B_inner implements B_inner_i { public function bar() { 1+1; } } class B { public function foo(B_inner_i $b) { $b->bar(); } } $b = new B(); $b_inner = new B_inner(); $b->foo($b_inner);
Output for 5.0.0 - 7.1.0
Fatal error: B_inner cannot implement B_inner_i - it is not an interface in /in/Bja5B on line 5
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_CLASS in /in/Bja5B on line 3
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_CLASS in /in/Bja5B on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/Bja5B on line 3
Process exited with code 255.