Задачи на ООП в PHP. Часть 1_1

Worker.php

<?php
class Worker{
	
	private $name;
	
	private $age;
	
	private $salary;

	public __construct()
	{
		$this->name = $name;
		$this->age = $age;		
		$this->salary = $salary;

	}

	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($age)
	{
		if($this->checkAge($age)){
			$this->age = $age;
		}		

	}

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

	}

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

	}

	private function checkAge($age)
	{
		return in_array($age, range(1, 100));

	}

}