Online PHP editor | output for WYop7

@ 2022-09-21T07:19:57Z

<?php

class Request {}
class Route {}
// Before: docs only: array|string|\Stringable|null
/*
interface FooInterface {
    public function getTitle(Request $request, Route $route);
}
*/
// If we use native typehints instead
interface FooInterface {
    public function getTitle(Request $request, Route $route): null|array|string|\Stringable;
}

// This is an implementation written against the original, i.e. with no return types specified. We should not break it.
class SomeFoo implements FooInterface {
    public function getTitle(Request $request, Route $route) {
        return 'yay';
    }
}

$test = new SomeFoo();
var_dump($test->getTitle(new Request(), new Route()));

Output for 7.4.0 - 7.4.33: Parse error: syntax error, unexpected '|', expecting ';' or '{' in /in/WYop7 on line 13
Process exited with code 255.
Output for 8.0.1 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.34, 8.3.0 - 8.3.35, 8.4.1 - 8.4.26: Fatal error: Declaration of SomeFoo::getTitle(Request $request, Route $route) must be compatible with FooInterface::getTitle(Request $request, Route $route): Stringable|array|string|null in /in/WYop7 on line 18
Process exited with code 255.
Output for 8.5.0 - 8.5.11: Fatal error: Declaration of SomeFoo::getTitle(Request $request, Route $route) must be compatible with FooInterface::getTitle(Request $request, Route $route): Stringable|array|string|null in /in/WYop7 on line 18 Stack trace: #0 {main}
Process exited with code 255.

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