<?php
class x {
protected $id = '4';
public function getId(){return $this->id;}
}
$y = new class extends x {
public function setId($q){$this->id = $q;}
};
function debug(x $param){
var_dump($param);
}
debug($y);
$y->setId('5');
debug($y);
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(x@anonymous)#1 (1) {
["id":protected]=>
string(1) "4"
}
object(x@anonymous)#1 (1) {
["id":protected]=>
string(1) "5"
}