Redirect to user defined view page if any type of error occurs

I was able to redirect only database type error using hooks concept but does not work for general all type of error.

using below code i was able to redirect db related error. and error_get_last() always return null only


<?php
class PHPFatalError {

    public function setHandler() {
//        print_r(error_get_last()); //always returns null
        register_shutdown_function([$this, 'handleShutdown']);
    }

    function handleShutdown() {
       
        $CI =& get_instance();
        $CI->load->database();
        $has_error =  $CI->db->error();

    if ($has_error['message'] != '') {
        redirect('');
    }


    }


}


?>