Add a variable to a string?

[JREAM]

How do you get this going:

 

function Testing($value)
{
	echo $this->Settings->page_$typeOfNotify;
	die;
}

function Testing('hello');
should check $this->Settings->page_hello;

[salathe]

function Testing($value)
{
    echo $this->Settings->{'page_' . $value};
    exit;
}

Testing('hello');