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nivel3_1.php
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nivel3_1.php
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<?php
//clase abstracta Shape + constructor ancho y alto +funcion calcular area
abstract class Shape{
protected $height;
protected $width;
protected $radius;
public function __construct($height,$width,$radius){
$this-> height = $height;
$this -> width = $width;
$this -> radius = $radius;
}
abstract public function area();
}
//clases triangulo/rectangulo con sus funciones apra calcular el area
class triangle extends Shape{
public function area(){
return ($this->height*$this->width)/2;
}
}
class rectangle extends Shape{
public function area(){
return $this->height*$this->width;
}
}
$triangle = new triangle(5,3,NULL);
$rectangle = new rectangle(3,7,NULL);
echo "Área del triángulo: " . $triangle->area() . "\n";
echo "Área del rectángulo: " . $rectangle->area() . "\n";
//ampliacion nivel 3 (circulo)
class circle extends Shape{
public function area(){
return $this->radius*$this->radius*3.1416;
}
}
$circle = new circle(NULL,NULL,5);
echo "Área del circulo: ". $circle->area(). "\n";
?>