Check whether model is loaded or not.

Following function will check whether model is loaded in codeigniter. Pass the model name as argument to the following function.

function is_model_loaded($model)
{
    $ci =& get_instance();      
    $load_arr = (array) $ci->load;

    $mod_arr = array();
    foreach ($load_arr as $key => $value)
    {
        if (substr(trim($key), 2, 50) == "_ci_models")
            $mod_arr = $value;
    }
    //print_r($mod_arr);die;

    if (in_array($model, $mod_arr))
        return TRUE;

    return FALSE;
}