Online PHP editor | output for VH5PS

<?php class Envato_Theme_Setup_Wizard { public static $_instance = null; public static $theme_name = ''; public static $envato_username = ''; public static $oauth_script = ''; public static function instance() { if ( is_null( self::$_instance ) ) { self::$_instance = new self(); self::$_instance->init_globals(); //self::$_instance->init_actions(); } return self::$_instance; } public function init_globals() { self::$theme_name = 'HOBA'; self::$envato_username = 'THEMETEORY'; self::$oauth_script = 'http://themeteory.com/404.php'; } public function get_theme_name(){ return self::$theme_name; } } class OS_Envato_Theme_Setup_Wizard extends Envato_Theme_Setup_Wizard { public static $_instance = null; public static $theme_name = ''; public static $envato_username = ''; public function init_globals() { var_dump(self::$theme_name); self::theme_name == 'HOBA_EXTENDED'; var_dump(self::$theme_name); } public function get_all(){ var_dump( $wizard2::$theme_name ); var_dump( $wizard2::$envato_username ); var_dump( $wizard2::$oauth_script ); } } $wizard2 = OS_Envato_Theme_Setup_Wizard::instance(); $wizard2::get_all(); //var_dump( $wizard2::get_theme_name() );