Debug Helper

debug_helper.php

<?php   if ( ! defined('BASEPATH')) exit('No direct script access allowed');

/**
 * Debug helper
 *
 * Print clear and readable data only in development environment and automatically put die in your code
 *
 * @category	Helpers
 * @author      Ahmad Samiei  <ahmad.samiei@gmail.com>
 * @version		1.2.0
 */

/**
 * Easy to debug & trace with benchmark option
 *
 * @uses	call debug_profile() where you want start benchmark in your code
 * 			-then call debug($data, TRUE) to get result with benchmark.
 *
 * @access	public
 * @param	mixed		input data
 * @param	boolean		enable benchmark
 * @return	void		printed	data
 */
if ( ! function_exists('print_d'))
{
    function print_d($data = NULL, $benchmark = FALSE)
    {
        if (ENVIRONMENT === 'production')
        {
            return null;
        }

        list($call) = debug_backtrace();
        echo '<style>body, div {padding:0;margin:0;background:#fff;direction:ltr;}</style><div style="border-bottom:solid 1px #D8D8D8;background:#f1f1f1;color:#111;position:fixed;top:0px;left:0px;width:100%;padding:10px 20px;font-size:11px;font-family_view:arial,monospace;font-weight:normal;line-height:18px;">';

        if ( ! empty($benchmark))
        {
            $ci =& get_instance();
            $ci->benchmark->mark('debug_end');
            echo 'Elapsed time (benchmark): '	. $ci->benchmark->elapsed_time('debug_start', 'debug_end') . ' <br />';
        }

        echo ' ' . $call['file'] . ' @ line:' . $call['line'] . '</div><div style="background:#fff;padding:10px;padding-top:50px;"><pre>';
        if ((is_object($data) || is_array($data)) && ! function_exists('xdebug_call_function') )
        {
            // in default print_r is more clear for array/object
            print_r($data);
        }
        else
        {
            // if not array/object var_dump is better and is more detailed (for example in when data is boolean !)
            // or when xdebug installed it can style var_dump in output automatically
            @ini_set('html_errors', 1);
            var_dump($data);
        }
        echo '</pre>';
        echo '</div>';
        if ( ! empty($benchmark))
        {
            echo '</div>';
        }

        exit;
    }
}

/**
 * Start flag to make benchmark for debug function
 *
 * You can use it before your function call ! and debug the function result with benchmark it.
 *
 * @access	public
 * @return	void
 */
if ( ! function_exists('debug_profile'))
{
    function debug_profile()
    {
        if (ENVIRONMENT === 'production')
        {
            return null;
        }

        $ci =& get_instance();
        $ci->benchmark->mark('debug_start');
    }
}