Got below error while using codigniter 3.0
FYI using PHP Version 5.5.12,Apache Version Apache/2.4.9 (Win64) PHP/5.5.12
A PHP Error was encountered
Severity: 8192
Message: mysql_real_escape_string(): The mysql extension is deprecated and will be removed in the future: use mysqli or PDO instead
Filename: models/common_model.php
Line Number: 21
Backtrace:
File: C:\wamp\www\Codeigniter\application\models\common_model.php Line: 21 Function: mysql_real_escape_string
You should use PDO in codeigniter to solve all problem related to mysql
and mysqli
..
see how to use PDO in CI if you are using CI 3 then http://www.codeigniter.com/user_guide/database/configuration.html
and if you are using CI 2.x How to use pdo in codeigniter?