access private fields of a class using closures

access_private_fields.php

<?php

class Article
{
    private string $title = 'private title';

    private function callingPrivate(string $query)
    {
        echo $query, PHP_EOL;
    }
}

$closure = function () {
    return $this->title;
};

$article = new Article();

$title = $closure->bindTo($article, Article::class)();

echo $title, PHP_EOL;

$closure = function(string $query) {
    $this->callingPrivate($query);
};

$closure->call($article, 'calling private methods');