Get the current user IP

get_the_user_ip.php

<?php

	// ------------------------------------------------------------------------

	/**
	 * Returns the users IP address
	 *
	 * @return     string  The user ip.
	 */
	static public function get_the_user_ip()
	{
		if ( ! empty( $_SERVER['HTTP_CLIENT_IP'] ) )
		{
			//check ip from share internet
			$ip = $_SERVER['HTTP_CLIENT_IP'];
		} elseif ( ! empty( $_SERVER['HTTP_X_FORWARDED_FOR'] ) )
		{
			//to check ip is pass from proxy
			$ip = $_SERVER['HTTP_X_FORWARDED_FOR'];
		} else {
			$ip = $_SERVER['REMOTE_ADDR'];
		}

		if ( '127.0.0.1' === $ip && TRUE === self::$debug )
		{
			$ip = '75.189.90.188';
		}

		return $ip;
	}