<?php

// Tanpa Instansiasi
class ContohStatic {
    public static $angka = 1;

    public static function halo() {
    return "Halo " . self::$angka++ . " kali.";
    }
}


echo ContohStatic::$angka;
echo "<br>";
echo ContohStatic::halo();
echo "<hr>";
echo ContohStatic::halo();

 ?>