There is a issue while loading config file

[rravichaudhary]

public function __construct()
{
$this->_CI =& get_instance();

    $this->_CI->config->load('ios', TRUE);

    $config = $this->_CI->config->item('ios');

    foreach ($config as $key => $value)
    {
        $this->$key = $value;
    }
}