3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php interface Foo { public function foo(String $foo) : String; } class Bar implements Foo { public function foo(String $foo) { return new StdClass; } } $b = new Bar; var_dump($b->foo("test"));
Output for 7.0.0 - 7.1.0
Fatal error: Declaration of Bar::foo(string $foo) must be compatible with Foo::foo(string $foo): string in /in/LN3Fp on line 7
Process exited with code 255.
Output for hhvm-3.12.0
Catchable fatal error: Argument 1 passed to Bar::foo() must be an instance of String, string given in /in/LN3Fp on line 10
Process exited with code 255.
Output for hhvm-3.10.0
Fatal error: Syntax only allowed in Hack files (<?hh) or with -v Eval.EnableHipHopSyntax=true in /in/LN3Fp on line 4
Process exited with code 255.
Output for 5.1.0 - 5.6.28
Parse error: syntax error, unexpected ':', expecting ';' or '{' in /in/LN3Fp on line 4
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected ':', expecting '{' or ';' in /in/LN3Fp on line 4
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING in /in/LN3Fp 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_STRING in /in/LN3Fp on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/LN3Fp on line 3
Process exited with code 255.