<?php //Visibilidad de propiedades class MiClase { public $public = 'Public'; protected $protected = 'Protected'; private $private = 'Private'; function imprimir() { echo $this->public; echo $this->protected; echo $this->private; } } $obj = new MiClase(); echo $obj->public; echo $obj->protected; echo $obj->private; $obj->imprimir();