/*
	- Pin Generator
	- Generates an x-digit pin number. The pin number never starts with 0.
	- Can be converted to an integer with php's intval() function.
	
	$length     - The amount of digits the pin number should have.
	*/
	
	public function generatePin($length = 4) {
		$pin = '';
		
		for ($i = 0; $i < $length; $i++) {
			if ($i == 0)
				$pin .= rand(1, 9);
			else
				$pin .= rand(0, 9);
		}
		
		return $pin;
	}