b1N1EuU2

1<?php
2
3$_SERVER['HTTP_HOST'] = 'yandex.ru';
4$SYSTEM_KEY = '0fb5-6c08-2e45-b8c5';
5//$SYSTEM_KEY = 'sf';
6
7class Key 
8     {
9	     function __construct ( $key )
10		     {
11			     $this->key = intval ( $key );
12			 }
13		 public function generate () 
14		     {   
15			     $md5 = explode( '.', $_SERVER['HTTP_HOST'] );
16				 $count = count( $md5 ) - 1;
17				 
18				 foreach ( $md5 as $array )
19				     {
20					     $end .= md5( sha1 (md5 ( $array[$count] . $this->key ) . $this->key ) . $this->key);
21					 }
22					 
23				 $end = substr( $end, 0, 16 );	
24				 $GLOBALS['SYSTEM_KEY'] = str_replace( '-', '', $GLOBALS['SYSTEM_KEY'] );
25				 
26				     if( $GLOBALS['SYSTEM_KEY'] == $end ) 
27					     {
28						     return true;
29						 }
30			     
31			 }
32	 }
33	 
34$Key = new Key(1934);
35
36if( !$Key->generate () )   
37     die ( 'License Error!' );