<?php
abstract class a {
abstract public function bar();
public function foo() {
return $this->bar();
}
}
class b extends a {
public function bar() {
return 'bar';
}
}
echo(new b)->foo();
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
bar