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18 years ago
I couldn't find this documented anywhere, but you can access protected and private member varaibles in different instance of the same class, just as you would expect

i.e.

<?php
class A
{
    protected $prot;
    private $priv;
    
    public function __construct($a, $b)
    {
        $this->prot = $a;
        $this->priv = $b;
    }
    
    public function print_other(A $other)
    {
        echo $other->prot;
        echo $other->priv;
    }
}

class B extends A
{
}

$a = new A("a_protected", "a_private");
$other_a = new A("other_a_protected", "other_a_private");

$b = new B("b_protected", "ba_private");

$other_a->print_other($a); //echoes a_protected and a_private
$other_a->print_other($b); //echoes b_protected and ba_private

$b->print_other($a); //echoes a_protected and a_private
?>
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