A PHP Error was encountered

Severity: Notice

Message: Undefined index: HTTP_USER_AGENT

Filename: helpers/tools_helper.php

Line Number: 1531

Backtrace:

File: /home/faydalibilgiler/public_html/application/helpers/tools_helper.php
Line: 1531
Function: _error_handler

File: /home/faydalibilgiler/public_html/application/helpers/tools_helper.php
Line: 1562
Function: get_google

File: /home/faydalibilgiler/public_html/application/controllers/Anasayfa.php
Line: 27
Function: file_cache

File: /home/faydalibilgiler/public_html/index.php
Line: 226
Function: require_once