<?php
interface C {
public function testing();
}
abstract class A implements C {
abstract public function testing();
}
class B extends A {
function testing() {
return "Working";
}
}
$val = new B;
echo $val->testing(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
Working