The necessary superglobal variables such as $_SERVER['HTTPS'], $_SERVER['REQUEST_URI'], $_SERVER['SERVER_PORT'] are used to get full URL in PHP. The variable HTTPS can easily retrieve the protocol in the URL of a webpage. If it returns a value “on”, then the protocol is HTTPS.

Get the path from the current URL php echo $_SERVER['REQUEST_URI']; The REQUEST_URI key will give you the current URL path along with the query string (if any). For example, if the current URL is https://www.example.com/foo?bar=baz, the above code will output /foo? bar=baz .

PHP | urlencode() Function The urlencode() function is an inbuilt function in PHP which is used to encode the url. This function returns a string which consist all non-alphanumeric characters except -_. and replace by the percent (%) sign followed by two hex digits and spaces encoded as plus (+) signs.

Generally, the URL means Uniform Resource Locater. Likewise, URL in PHP Programming Language is also the same. URL is nothing but a website address. It helps in connecting the client and the server when browsed using a specific link.