can you guys please explain these code? thank you
[php]
<?php ini_set("error_reporting", 2047); ini_set("display_errors", 1); ini_set("display_startup_errors", 1); if(!empty($_GET['page'])): if(file_exists($_GET['page'].'.php')): include('header.php'); include($_GET['page'].'.php'); include('footer.php'); else: header("HTTP/1.0 404 Not Found"); ?> <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
<html><head>
<title>404 Not Found</title>
</head><body>
<h1>Not Found (But Bana Is Awesome)</h1>
<p>The requested URL <?php echo $_SERVER['REQUEST_URI']; ?> was not found on this server.</p>
<hr>
<address>Apache/2.2.16 (Debian) Server at <?php echo $_SERVER['HTTP_HOST']; ?> Port 80</address>
</body></html>
<?
die;
endif;
else:
include(‘header.php’);
include(‘home.php’);
include(‘footer.php’);
endif;
[/php]