<?php

class ME {
	public static function staticMethod() {
		echo __CLASS__;
	}
 
	public function yarr() {
		$this::staticMethod();
	}
 
	public function hurr() {
		self::staticMethod();
	}
}

class YU extends ME {
    public static function staticMethod() {
        echo __CLASS__;
    }
}
 
 
$x = new YU();
 
$x->yarr();
 
echo "\n";
 
$x->hurr();