wordpress wp-config change url code example

Example 1: wp-config change url wp-config

define('WP_HOME','http://example.com'); 
define('WP_SITEURL','http://example.com');

Example 2: wp-config override site url

define( 'WP_HOME', 'http://example.com' );
define( 'WP_SITEURL', 'http://example.com' );