practice3/Circle.php

<?php
/**
 * Created by PhpStorm.
 * User: mrs
 * Date: 28.12.2017
 * Time: 10:33
 */

require_once('AbstractCircle.php');


class Circle extends CircleFigure

{
    public $pointCenter;
    public $radius = 0;
    public $area = 0;
    public $circumference = 0;

    public function __construct(int $x1, int $y1, int $x2, int $y2, float $radius)
    {
        $this->x1 = $x1;
        $this->y1 = $y1;
        $this->x2 = $x2;
        $this->y2 = $y2;
        $this->radius = $radius;
    }

    public function getCoordinatesCenter(): array
    {
        return $this->pointCenter->coordinatesPoint;
    }

    public function printCoordinatesCenter(): void
    {
        echo "Координаты центра круга (x = " . $this->pointCenter->coordinatesPoint['x'] . ", y = " . $this->pointCenter->coordinatesPoint['y'];
    }

    public function getArea(): float
    {
        $area = round(M_PI * $this->radius ** 2, 2);
        return $this->area = $area;
    }

    public function printArea(): void
    {

        echo "Площадь круга равна " . $this->area;
    }

    public function getCircumference(): float
    {

        $circumference = round((2 * M_PI * $this->radius), 2);
        return $this->circumference = $circumference;
    }

    public function printCircumference(): void
    {
        echo "Длина окружности равна " . $this->circumference;
    }
}