<?php

class Person {
  private $name; // instance field

  public function setName($name) { // instance method
      $this->name = $name;
  }
  public function getName() { // instance method
      return $this->name;
  }
  public static function getClassName() { // static method
      return "Person: ";
  }
}

class Employee extends Person {

}

$e = new Employee();
$e->setName("Eric");
echo $e->getName();