Add exams from exam58 to exam98

exam65/VisitorsIP.php

@@ -0,0 +1,13 @@
+<?php
+//How to get visitor ip address
+require 'config.inc.php';
+
+foreach($ip_blocked as $ip){
+    if($ip == $ip_address){
+        die('Your ip address, ' . $ip_address . ' has been blocked');
+    }
+}
+
+?>
+
+<h1>Welcome !</h1>

exam65/VisitorsIP2.php

@@ -0,0 +1,17 @@
+<?php
+// Better way to get visitors IP
+
+$http_client_ip = $_SERVER['HTTP_CLIENT_IP'];
+$http_x_forwarded_for = $_SERVER['HTTP_X_FORWARDED_FOR'];
+$remote_addr = $_SERVER['REMOTE_ADDR'];
+
+if(!empty($http_client_ip)){
+    $ip_address = $http_client_ip;
+} else if(!empty($http_x_forwarded_for)){
+    $ip_address = $http_x_forwarded_for;
+} else {
+    $ip_address = $remote_addr;
+}
+
+echo $ip_address;
+?>

exam65/config.inc.php

@@ -0,0 +1,8 @@
+<?php
+
+$ip_address = $_SERVER['REMOTE_ADDR'];
+$ip_blocked = array('127.0.0.1', '100.100.100.100');
+
+
+
+?>