PHP OOP exercise

src/Circle.php

@@ -0,0 +1,32 @@
+<?php
+
+class Circle extends Shape {
+
+    const SHAPE_TYPE = 3;
+    protected $radius;
+
+/*
+Constructor accepts a radius parameter and intializes $radius.
+*/
+    function __construct($radius) {
+        parent::__construct($length = null, $width = null);
+        $this->radius = $radius;
+    }
+
+/*
+area method to calculate and return the area of the circle (PI x r x r)
+*/
+    public function area() {
+        $pi = pi();
+        $area = $pi * pow($this->radius, 2);
+        return $area;
+    }
+
+/*
+getFullDescription method to return string describing the shape
+Uses getId() to get the Id because that's a protected property of the parent class
+*/
+    public function getFullDescription() {
+        return get_class($this) . '<#' . $this->getId() . '>: ' . $this->name . ' - ' . $this->radius;
+    }
+}

src/Rectangle.php

@@ -0,0 +1,7 @@
+<?php
+
+class Rectangle extends Shape {
+    const SHAPE_TYPE = 2;
+
+//Rectangle class should not require any additional properties or methods, as it inherits them from Shape class.
+}

src/Shape.php

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+<?php
+
+class Shape {
+
+    const SHAPE_TYPE = 1;
+    public $name;
+    protected $length;
+    protected $width;
+    private $id;
+
+    function __construct($length, $width) {
+        $this->length = $length;
+        $this->width = $width;
+        $this->id = uniqid();
+    }
+
+/*
+Getter and Setter methods for $name property
+*/
+    function getName() {
+        return $this->name;
+    }
+
+    function setName($name) {
+        $this->name = $name;
+        return $name;
+    }
+
+/*
+Getter method for $id property
+*/
+    function getId() {
+        return $this->id;
+    }
+
+/*
+Area method to calculate and return the area of the Shape object
+*/
+    public function area() {
+        $area = $this->length * $this->width;
+        return $area;
+    }
+
+/*
+getTypeDescription method to return the shape type
+*/
+    public static function getTypeDescription() {
+        return 'Type: ' . static::SHAPE_TYPE;
+    }
+
+/*
+getFullDescription method to return string describing the shape
+*/
+    public function getFullDescription() {
+        return get_class($this) . '<#' . $this->id . '>: ' . $this->name . ' - ' . $this->length . ' x ' . $this->width;
+    }
+
+}