3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A {} class B extends A {} class Handler { public function handle(A $a) { print get_class($a) . PHP_EOL; } } class HandlerB extends Handler { public function handle($a) { print get_class($a) . PHP_EOL; } } $handlerA = new Handler(); $handlerB = new HandlerB(); $handlerA->handle(new A()); $handlerB->handle(new B());
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
A B
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 A B
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33
Warning: Declaration of HandlerB::handle($a) should be compatible with Handler::handle(A $a) in /in/VL71l on line 17 A B
Output for 5.6.0 - 5.6.40
Strict Standards: Declaration of HandlerB::handle() should be compatible with Handler::handle(A $a) in /in/VL71l on line 17 A B
preferences:
228.48 ms | 401 KiB | 287 Q