Pobierz pełny adres URL php
$fullURL = 'http://'.$_SERVER['HTTP_HOST'].$_SERVER['REQUEST_URI'];
Pobierz adres URL strony php
$actual_link = (isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] === 'on' ? "https" : "http") . "://$_SERVER[HTTP_HOST]$_SERVER[REQUEST_URI]";
Pobierz link url w php
actual_link = (isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] === 'on' ? "https" : "http") . "://$_SERVER[HTTP_HOST]$_SERVER[REQUEST_URI]";
PHP get url path name
parse_url( $_SERVER[ 'REQUEST_URI' ], PHP_URL_PATH );