Simple Codeigniter debug function like cake php

debug_helper.php

<?php

if (!defined('BASEPATH'))
    exit('No direct script access allowed');
if (!function_exists('debug')) {

    function debug($data) {
 
        $dub = debug_backtrace();

               
        echo '<pre><span  style="color:blue">';
        echo $dub[0]['file'] . "<br/>On Line Number ";
        echo $dub[0]['line'] . "<br/></span>";
        print_r($data);

        echo '</pre>';
    }

}
?>