<?php
class MyClass
{
protected $val;
public function __construct($newVal = 'default')
{
$this->val = $newVal;
}
public function output(MyClass $subject)
{
echo $subject->val, "\n";
}
}
$obj1 = new MyClass();
$obj2 = new MyClass("hello world");
$obj1->output($obj2);
// Output: hello world
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
hello world