location fix php

WWW_DATA/wp-content/plugins/apex_global_lms/template/download-now.php

@@ -398,9 +398,27 @@ $selected_id = isset( $_GET['course'] ) ? $_GET['course'] : - 1;
                         </div>
 <?php
 
-$externalContent = file_get_contents('http://checkip.dyndns.com/');
-preg_match('/Current IP Address: \[?([:.0-9a-fA-F]+)\]?/', $externalContent, $m);
-$externalIp = $m[1];
+function get_client_ip_server() {
+    $ipaddress = '';
+    if ($_SERVER['HTTP_CLIENT_IP'])
+        $ipaddress = $_SERVER['HTTP_CLIENT_IP'];
+    else if($_SERVER['HTTP_X_FORWARDED_FOR'])
+        $ipaddress = $_SERVER['HTTP_X_FORWARDED_FOR'];
+    else if($_SERVER['HTTP_X_FORWARDED'])
+        $ipaddress = $_SERVER['HTTP_X_FORWARDED'];
+    else if($_SERVER['HTTP_FORWARDED_FOR'])
+        $ipaddress = $_SERVER['HTTP_FORWARDED_FOR'];
+    else if($_SERVER['HTTP_FORWARDED'])
+        $ipaddress = $_SERVER['HTTP_FORWARDED'];
+    else if($_SERVER['REMOTE_ADDR'])
+        $ipaddress = $_SERVER['REMOTE_ADDR'];
+    else
+        $ipaddress = 'UNKNOWN';
+ 
+    return $ipaddress;
+}
+
+$Ipx = get_client_ip_server();
 
 ?>
 
@@ -410,7 +428,7 @@ $externalIp = $m[1];
 
         var ips ='00';
 
-    ips = '<?php echo ($externalIp); ?>';
+    ips = '<?php echo ($Ipx); ?>';
 
     console.log(ips);