Ejemplos Clases PHP

https://youtu.be/I26upu4ZOCI
----
classuser.php
----
<?php
class User
{
    public $name;
    public $age;

    public function Describe()
    {
        return $this->name . " tiene " . $this->age . " años de edad";
	}
}
?>
----
classper.php
----
<?php
class Persona {
  public $nombre;
  public function asignarnombre($nom)
  {
    $this->nombre=$nom;
  }
  public function imprimir()
  {
    echo $this->nombre;
    echo '<br>';
  }


}
?>
----
p1.php
----
<html>
<head>
<title>Pruebas</title>
</head>
<body>
<?php
include 'classper.php';


error_reporting(E_ALL);
ini_set("display_errors", 0);


$per1=new Persona();
$per1->asignarnombre('Pepe');
$per1->imprimir();
echo "<br>";
echo $per1->$nombre;
echo "<br>";
$per2=new Persona();
$per2->asignarnombre('Ana');
$per2->imprimir();

?>
</body>
</html>

----
p2.php
----

<html>
<head>
<title>Pruebas</title>
</head>
<body>
<?php
include 'classuser.php';

$user = new User();
$user->name = "Eddie Smith";
$user->age = 99;
echo $user->Describe();

?>
</body>
</html>