Rod

<?php

// Kunyare nasa Controller ka na

public function save() {

    $userId = $this->input->post("user_id");
    $query = $this->db->from("users")->where("user_id", (int) $userId)->get();
    $user = $query->row_array();

    if (! empty($user)) {
        $email = $user["email_address"]; // Replace with email column "email_address"
        // Continue actions
    }


}