<?php
interface SomeInterface
{
public function getSomeInterface() : SomeInterface;
}
class SomeClass implements SomeInterface
{
public function getSomeInterface() : SomeInterface
{
return $this;
}
}
$object = new SomeClass();
var_dump($object->getSomeInterface());
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
object(SomeClass)#1 (0) {
}