Online PHP editor | output for XjCeU

<?php class ConfigApp { const dbhost = "localhost"; const dbname = "secretdbname"; const dbuser = "secretdbsuer"; const dbpass = "secretdbpass"; const var1 = "something"; const var2 = "nothingToDoWithDB"; const var3 = "something else else"; } class Dbh extends ConfigApp{ public function __construct() { $this->connect(); } protected function connect() { echo self::dbhost.PHP_EOL; echo self::dbname.PHP_EOL; echo self::dbuser.PHP_EOL; echo self::dbpass.PHP_EOL; } } $dbh = new Dbh();