How to Get Current Page URL Name in PHP

To Get Current Page Name JUST Type one of following php scrip // echo $_SERVER['REQUEST_URI']. "
"; //showing folder name and all veriables in the url
// echo $_SERVER['PHP_SELF']. "
"; //showing only folder name and file name in url
// echo __FILE__. "
"; //showing current backend file name with full path
//echo basename($_SERVER['PHP_SELF']). "
"; //showing only current file name in url