How to ban ip access in php

php methods to prohibit IP access: 1. Use the "<?php include("banIP.php");?> method to prohibit access to a certain IP or IP address range; 2. Disable it through the die method A single IP is enough.

The operating environment of this tutorial: Windows 7 system, PHP version 5.6. This method is suitable for all brands of computers.

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php method to prohibit access to a certain ip or ip address range

<?php include("banIP.php");?>

Disable a single ip as follows:

<?php 
//禁用ip地址 
$ip=$_SERVER["REMOTE_ADDR"]; 
$ban=file_get_contents("ban.dat"); 
if(stripos($ban,$ip)) 
{ 
  die("Your IP Address is:$ip,you&#39;re forbiden to view this page!");   
} 
echo "Your IP Address is:$ip,hello!"; 
?>

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