This can be helpful for a number of reasons. For example, you can use this class to ban people that are snooping around your website or see your file in website , or to ban robots that don’t respect your robots.txt file
create file named d.php and put in this config
<?php
require_once 'block.php';
$list = array(
'127.0.0.1',
'0.0.0.0',
'128.0.0.1',
);
$z = new securtiy\block\block("exmple@exmple.com",$list);
?>Copyright 2016 under MIT License.