php get mac address code example

Example 1: php get current domain

// Warning: This can be manipulated by hackers!
// If this is problematic, store the domain in a config file

$currentDomain = $_SERVER['SERVER_NAME'];

Example 2: phph get server protocol

$protocol = stripos($_SERVER['SERVER_PROTOCOL'],'https') === 0 ? 'https://' : 'http://';