public function encryptInteger($n) {
		if (!is_numeric($n)) return null;
		return (PHP_INT_SIZE == 4 ? self::encrypt32($n) : self::encrypt64($n)) ^ $this->encPassword;
	}
public function encryptInteger($n) {
		if (!is_numeric($n)) return null;
		return (PHP_INT_SIZE == 4 ? self::encrypt32($n) : self::encrypt64($n)) ^ $this->encPassword;
	}
public function encryptInteger ( $ n ) { if ( ! is_numeric ( $ n ) ) return null ; return ( PHP_INT_SIZE == 4 ? self :: encrypt32 ( $ n ) : self :: encrypt64 ( $ n ) ) ^ $ this -> encPassword ; }
It encrypts an integer.
@param integer $n
@return int
It encrypts an integer .