Class Human 
{

	$fname;
	$lname;
	$mname;
	$age;
	
	
	function checkage($in_age)
	{
	
		$this->age = $in_age;
		
		if($this->age < 18) { echo "you are young"; }
		if($this->age > 18) { you are old; }
		
	}
	
	function getname($in_fname,$in_lname,$in_mname) 
	{
	
		$this->fname = $in_fname;
		$this->lname = $in_lname;
		$this->mname = $in_mname;
		
		echo "hello ".{$this->fname}." ".{$this->lname}." ".$this->mname;
		
	}
	
}