<?php

class sample
{
    public function hello1()
    {
    }

    protected function hello2()
    {
    }

    private function hello3()
    {
    }

    public function hello4()
    {
    }

    public static function static_hello1()
    {
    }

    protected static function static_hello2()
    {
    }

    private static function static_hello3()
    {
    }

    public static function static_hello4()
    {
    }
}