3v4l.org

run code in 300+ PHP versions simultaneously
<?php //declare(strict_types = 1); class A {} class B extends A {} class LibraryClass { public function doWork(string $input) { } } class UserClass extends LibraryClass { public function doWork($input) { } }
Output for 7.2.11, 7.3.24 - 7.3.33, 7.4.12 - 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
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
preferences:
98.49 ms | 402 KiB | 116 Q