uncaught exception: Call to undefined function mysql_connect()

in file: /home/goma/blog.gomagames.com/deploy/lib/php/db/Mysql.class.php line 6
#0 /home/goma/blog.gomagames.com/deploy/lib/db/DBConnection.class.php(43): php_db_Mysql::connect(Object(_hx_anonymous)) #1 /home/goma/blog.gomagames.com/deploy/lib/AeroModel.class.php(50): db_DBConnection::get_connection() #2 /home/goma/blog.gomagames.com/deploy/lib/controllers/Posts.class.php(14): AeroModel::all(Object(_hx_class), NULL, 'ORDER BY create...') #3 /home/goma/blog.gomagames.com/deploy/lib/Reflect.class.php(18): controllers_Posts->index() #4 /home/goma/blog.gomagames.com/deploy/lib/Route.class.php(134): Reflect::callMethod(Object(controllers_Posts), Array, Object(_hx_array)) #5 /home/goma/blog.gomagames.com/deploy/lib/Route.class.php(69): Route::dispatch(Object(Route)) #6 /home/goma/blog.gomagames.com/deploy/lib/Takeoff.class.php(32): Route::resolve('', Object(HTTPVerb), Object(Hash)) #7 /home/goma/blog.gomagames.com/deploy/index.php(9): Takeoff::main() #8 {main}