Access protected methods and properties easily without reflection with the new anonymous classes feature

protected.php

<?php

class A {
    protected $protectedProperty = 'default';
    
    public function get()
    {
        return $this->protectedProperty;
    }
}

$a = new A;

$a->get(); // 'default';

(new class ($a) extends A {
    public function __construct(A $a)
    {
        $a->protectedProperty = 'overridden';
    }
})

$a->get(); // 'overridden'