<?php
 
class Groot {
 
    private function __construct() {
        $this->name = "I'm groot!";
    }
 
    public function getName() {
        return $this->name;
    }
 
    public static function create($callback) {
 
        // Cria uma nova instância da classe:
        $new = new self();
 
        // Invoca a função anônima passando a instância como parâmetro:
        $callback($new);
 
    }
 
}
 
 
Groot::create(function ($self) {
    echo $self->getName(), PHP_EOL;
});

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