Задачи на ООП в PHP. Часть 1_2

Driver.php

<?php
class Driver extends NewWorker{
	
	private $drivingExperience;

	private $drivingCategory;

	public function getDrivingExperience()
	{
		return $this->drivingExperience;

	}

	public function setDrivingExperience($drivingExperience)
	{
		$this->drivingExperience = $drivingExperience;

	}

	public function getDrivingCategory()
	{
		return $this->drivingCategory;

	}

	public function setDrivingCategory($drivingCategory)
	{
		$this->drivingCategory = $drivingCategory;

	}
}

NewWorker.php

<?php
class NewWorker extends User{
	
	private $salary;

	public function getSalary()
	{
		return $this->salary;

	}

	public function setSalary($salary)
	{
		$this->salary = $salary;

	}
}

Student.php

<?php
class Student extends User{
	
	private $grants;

	private $course

	public function getGrants()
	{
		return $this->grants;

	}

	public function setGrants($grants)
	{
		$this->grants = $grants;

	}

	public function getCourse()
	{
		return $this->course;

	}

	public function setCourse($course)
	{
		$this->course = $course;

	}
}

User.php

<?php
class User{
	
	protected $name;
	
	protected $age;

	public function getName($name,$age,$salary)
	{
		return $this->name;

	}

	public function setName($name)
	{
		$this->name = $name;

	}

	public function getAge()
	{
		return $this->age;

	}

	public function setAge($age)
	{		
			$this->age = $age;		

	}
}