22 lines
273 B
PHP
22 lines
273 B
PHP
<?php
|
|
|
|
//Area of circle
|
|
|
|
class Circle{
|
|
public const pi = 3.14159265359;
|
|
|
|
public function CircleArea($r){
|
|
return self::pi * $r *$r;
|
|
}
|
|
|
|
}
|
|
|
|
$area = new Circle;
|
|
|
|
echo 'if pi is '.Circle::pi . '<br>';
|
|
|
|
|
|
|
|
echo 'Area of circle is ' . $area->CircleArea(3);
|
|
|
|
?>
|