Домашнее задание №7

Php7Tasks.php

<!-- Функции -->

<?php 
	function square($a){
		return $a * $a;
	}	
	echo 'Квадрат равен: '.square(7).'<br>';
?>

<?php 
	function sum($a, $b){
		return $a + $b;
	}	
	echo 'Сумма равна: '.sum(73, 28).'<br>';
?>

<?php 
	function calc($a, $b, $c){
		return ($a - $b) / $c;
	}	
	echo 'Результат: '.calc(30, 15, 3).'<br>';
?>

<?php 
	function day($day){
		$week = [1=>'Понедельник', 'Вторник', 'Среда', 'Четверг', 'Пятница', 'Суббота', 'Воскресенье'];
		return $week[$day];
	}	
	echo 'День недели: '.day(3).'<br>';
?>

Php7TasksConstruct.php

<!-- ООП Construct -->

<?php 
	class Worker
	{
		private $name;
		private $age;
		private $salary;
		
		public function __construct($name, $age, $salary)
		{	
			$this->name = $name;
			$this->age = $age;
			$this->salary = $salary;
		}
	
		public function getName()
		{
			return $this->name;
		}
		
		public function getAge()
		{
			return $this->age;
		}
		
		public function getSalary()
		{
			return $this->salary;
		}
		
	}
	
	$worker = new Worker('Дима', 25, 1000);
	echo $worker->getAge() * $worker->getSalary(); 
?>

Php7TasksPrivate.php

<!-- ООП Private -->

<?php 
	class Worker
	{
		private $name;
		private $age;
		private $salary;
		
		public function getName()
		{
			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;
			}
		}
		
		private function checkAge($age)
		{
			if ($age < 100){
				return true;
			} else {
				return false;
			}
		}
		
		public function getSalary()
		{
			return $this->salary;
		}
		
		public function setSalary($salary)
		{
			$this->salary = $salary;
		}
	}
	
	$workerOne = new Worker();
	$workerOne->setName('Иван');
	$workerOne->setAge(25);
	$workerOne->setSalary(1000);
	
	$workerTwo = new Worker();
	$workerTwo->setName('Вася');
	$workerTwo->setAge(26);
	$workerTwo->setSalary(2000);
	
	echo $workerOne->getSalary() + $workerTwo->getSalary().'<br>';
	echo $workerOne->getAge() + $workerTwo->getAge().'<br>';

?>

Php7TasksPublic.php

<!-- ООП Public -->

<?php 
	class Worker
	{
		public $name;
		Public $age;
		public $salary;
	}
	
	$workerOne = new Worker();
	$workerOne->name = 'Иван';
	$workerOne->age = 25;
	$workerOne->salary = 1000;
	
	$workerTwo = new Worker();
	$workerTwo->name = 'Вася';
	$workerTwo->age = 26;
	$workerTwo->salary = 2000;
	
	echo $workerOne->salary + $workerTwo->salary.'<br>';
	echo $workerOne->age + $workerTwo->age.'<br>';
?>