/
index.php
244 lines (195 loc) · 5.65 KB
/
index.php
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<?php
abstract class Shape
{
protected $a;
protected $r;
protected $h;
protected $name;
function __construct($a, $r, $h)
{
$this->a = $a;
$this->h = $h;
$this->r = $r;
}
public function getName()
{
return $this->name;
}
public abstract function square();
public abstract function volume();
public abstract function mass();
//а - ребро(радіус для кулі)
//h - висота
//r - густина
}
class Cube extends Shape
{
function __construct($a, $r, $h)
{
$this->name = "Куб";
parent::__construct($a, $h, $r);
}
public function square()
{
return ($this->a * $this->a)*6;
}
public function volume()
{
return ($this->a * $this->a * $this->a);
}
public function mass()
{
return ($this->r * $this->volume() );
}
}
class Parallelepiped extends Shape
{
private $b;
private $c;
//b - ребро
//c - ребро
public function __construct($a, $h, $r, $b, $c)
{
$this->b = $b;
$this->c = $c;
$this->name = "Параллелепіпед";
parent::__construct($a, $h, $r);
}
public function square()
{
return (2 * ($this->a * $this->b + $this->b * $this->c + $this->c * $this->a));
}
public function volume()
{
return ($this->a * $this->b * $this->c);
}
public function mass()
{
return ($this->r * $this->volume());
}
}
class Pyramid extends Shape
{
private $b;
private $l;
//b - ребро
//l - апофема (висота боковой грани)
public function __construct($a, $h, $r, $b, $l)
{
$this->b = $b;
$this->c = $l;
$this->name = "Піраміда";
parent::__construct($a, $h, $r);
}
public function perimetr()
{
return ($this->a * $this->a);
}
public function square()
{
return ($this->b + (($this->perimetr() * $this->l) / 2));
}
public function volume()
{
return (1 / 3 * ($this->perimetr() * $this->h));
}
public function mass()
{
return ($this->r * $this->volume() );
}
}
class Sphere extends Shape
{
public function __construct($a, $r)
{
$this->name = "Куля";
parent::__construct($a, $r, 0);
}
public function square()
{
return (6 * ($this->a * $this->a));
}
public function volume()
{
return ($this->a * $this->a * $this->a);
}
public function mass()
{
return ($this->r * $this->volume() );
}
}
$cube = new Cube(5, 4, 3);
$parallelepiped = new Parallelepiped(5, 4, 3, 10, 11);
$pyramid = new Pyramid(5, 4, 3, 10, 2);
$sphere = new Sphere(5, 4);
echo "---------------------------------------------------------------------------------------------------------------------<br>";
echo "Основне завдання : <br><br>";
echo "Куб : <br>";
echo "Площа - ". $cube->square()."<br>";
echo "Об'єм - ". $cube->volume()."<br>";
echo "Маса - ". $cube->mass()."<br><br>";
echo "Параллелепіпед : <br>";
echo "Площа - ". $parallelepiped->square()."<br>";
echo "Об'єм - ". $parallelepiped->volume()."<br>";
echo "Маса - ". $parallelepiped->mass()."<br><br>";
echo "Піраміда : <br>";
echo "Площа - ". $pyramid->square()."<br>";
echo "Об'єм - ". $pyramid->volume()."<br>";
echo "Маса - ". $pyramid->mass()."<br><br>";
echo "Куля : <br>";
echo "Площа - ". $sphere->square()."<br>";
echo "Об'єм - ". $sphere->volume()."<br>";
echo "Маса - ". $sphere->mass()."<br><br>";
echo "---------------------------------------------------------------------------------------------------------------------<br>";
echo "Додаткове завдання : <br><br>";
//----------------------------------------------------------------------------------------------
$n = 5;
for ($y = 0; $y < $n; $y++) {
for ($x = 0; $x < $n; $x++) {
$p = rand(0,3);
if ($p == 0){
$arr[$x][$y] = new Cube(5, 4, 3);
}
elseif ($p == 1){
$arr[$x][$y] = new Parallelepiped(5, 4, 3, 10, 11);
}
elseif ($p == 2){
$arr[$x][$y] = new Pyramid(5, 4, 3, 10, 2);
}
elseif ($p == 3){
$arr[$x][$y] = new Sphere(5, 4);
}
}
}
//----------------------------------------------------------------------------------------------
echo "Початкова таблиця : <br><br>";
echo "<table border=1 ><tr>";
for ($y = 0; $y < $n; $y++) {
for ($x = 0; $x < $n; $x++) {
echo "<td width=200>".$arr[$x][$y]->getName()." (".$arr[$x][$y]->mass().")</td>";
}
echo "</tr><tr>";
}
echo "</tr></table><br><br>";
//----------------------------------------------------------------------------------------------
echo "Відсортована таблиця : <br><br>";
function compare($x, $y)
{
if($x->mass() == $y->mass())
return 0;
elseif ($x->mass() < $y->mass())
return -1;
else
return 1;
}
for ($x = 0; $x < $n; $x++) {
usort($arr[$x], compare);
}
echo "<table border=1 ><tr>";
for ($y = 0; $y < $n; $y++) {
for ($x = 0; $x < $n; $x++) {
echo "<td width=200>".$arr[$x][$y]->getName()." (".$arr[$x][$y]->mass().")</td>";
}
echo "</tr><tr>";
}
echo "</tr></table>";