How to disable warning in Joomla - Continue to Continue 2

Go to Administrator->System menu -> Global Configuration -> Server -> Error reporting -> NONE

OR

Open configuration.php

public $error_reporting = 'none';






Enjoy

How to Disable WordPress PHP Error Warning Messages - XMAPP

wp-config.php



Remove those lines 
define('WP_DEBUG', false);
define('WP_DEBUG_DISPLAY', false);


Paste these lines
ini_set('display_errors','Off');
ini_set('error_reporting', E_ALL );
define('WP_DEBUG', false);
define('WP_DEBUG_DISPLAY', false);