Ejemplo n.º 1
0
    }
    public function getY2()
    {
        return $this->y2;
    }
    public function display()
    {
        parent::display();
        echo "x2=" . $this->x2 . "</br>";
        echo "y2=" . $this->y2 . "</br>";
    }
}
$l = new Line();
$l->setX1(24);
$l->setY1(3);
$l->setX2(4);
$l->setY2(56);
$l->display();
class Triangle extends Line
{
    protected $x3;
    protected $y3;
    public function setX3($x3)
    {
        settype($x3, "integer");
        $this->x3 = $x3;
    }
    public function getX3()
    {
        return $this->x3;
    }
<?php

require 'line.php';
$line = new Line();
$line->setX1(10);
$line->setY1(25);
$line->setX2(45);
$line->setY2(75);
$line->drawAndMoveLine(10);
$line->displayImage();