3v4l.org

run code in 300+ PHP versions simultaneously
<?php declare(strict_types=1); interface Response {} interface Request {} class RespImpl implements Response {} class ReqImpl implements Request {} interface Psr { public function sendRequest(Request $request): Response; } interface Httplug { public function sendRequest(Request $request); } //interface PsrBridge extends Psr, Httplug {} // does work interface PsrBridge extends Httplug, Psr {} // does not work class HttpClient implements PsrBridge { public function sendRequest(Request $request): Response { return new RespImpl(); } } $client = new HttpClient(); $response = $client->sendRequest(new ReqImpl()); echo $response instanceof Response ? 'OK' : 'Fail!';
Output for 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6 - 8.3.7
Fatal error: Declaration of Httplug::sendRequest(Request $request) must be compatible with Psr::sendRequest(Request $request): Response in /in/MMCL3 on line 18
Process exited with code 255.
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Fatal error: Declaration of Httplug::sendRequest(Request $request) must be compatible with Psr::sendRequest(Request $request): Response in /in/MMCL3 on line 18
Process exited with code 255.
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33
Fatal error: Declaration of Httplug::sendRequest(Request $request) must be compatible with Psr::sendRequest(Request $request): Response in /in/MMCL3 on line 22
Process exited with code 255.
Output for 5.6.0 - 5.6.40
Warning: Unsupported declare 'strict_types' in /in/MMCL3 on line 3 Parse error: syntax error, unexpected ':', expecting ';' or '{' in /in/MMCL3 on line 14
Process exited with code 255.
preferences:
213.91 ms | 401 KiB | 294 Q