<?php
class Tournament extends CI_Controller {
    public function register() {
        // Get the total number of participants from the registration form
        $totalParticipants = $this->input->post('total_participants');

        // Calculate the number of rounds
        $numberOfRounds = $this->calculateRounds($totalParticipants);

        // Pass the number of rounds to the view or store it in the database
        $data['numberOfRounds'] = $numberOfRounds;

        // Load your view with the tournament information
        $this->load->view('tournament_view', $data);
    }
}

// Function to calculate the number of rounds
function calculateRounds($totalParticipants) {
    return ceil(log($totalParticipants, 2));
}

?>