Online PHP editor | refs for PheV9

<?php class Point { private $x; private $y; function __construct($x, $y) { $this->x = $x; $this->y = $y; } public function getX() { return $this->x; } public function getY() { return $this->y; } public function distanceFrom(Point $point) { return sqrt( pow($this->getX() - $point->getX(), 2) + pow($this->getY() - $point->getY(), 2) ); } } class Circle { private $center; private $radius; function __construct(Point $center, $radius) { $this->center = $center; $this->radius = $radius; } public function getCenter() { return $this->center; } public function getRadius() { return $this->radius; } public function contains(Point $point) { return $this->center->distanceFrom($point) <= $this->radius; } } $point = new Point(3, 4); $circle = new Circle(new Point(0,0), 2); var_dump($circle->contains($point));