GET THE PAGE NAME FROM THE URL

Code (THERE IS NO DISPLAY FOR THE PAGE)

<?php
//get the url using the "server" command
$page= $_SERVER['REQUEST_URI'];

//separate the url into an array by splitting the address by the forward slash
$page = explode("/", $page);
//get the number of elements in the array and subtract by one to get the page name
$page_count= count($page)-1;

//set a variable for the page name

$page2= $page[$page_count];

//if the array is empty, the page is index.php.  Reset the variable to index.php
if($page2=='')
{
	$page2= "index.php";
}

//remove any variables in the url by splitting into another array using the "?"
$pagename= explode("?", $page2);
//the page name will by the first element of the array
$pagename= $pagename[0];
?>