Codeigniter General Helper I Always Used

global_helper.php

<?php
/**
 * Global function
 * place for all global function
 */
$GLOBALS['CI'] =& get_instance();

if (! function_exists('flash_message'))
{
	function flash_message($can_hide = false) {
		global $CI;
		$success_message = $CI->session->flashdata('success');
		$status = empty($success_message) ? 'error' : 'success';
		$message = $CI->session->flashdata($status);
		if (!empty($message)) {
			return create_alert($status, $message, $can_hide);
		}
		unset($flash);
	}
}

if (! function_exists('create_alert'))
{
	function create_alert($status, $message, $can_hide = false) {
		global $CI;
		$class = ($status == 'error' ? 'alert-danger' : 'alert-success');
		$title = ($status == 'error' ? 'Error' : 'Sukses');
		$icon  = ($status == 'error' ? 'fa-ban' : 'fa-check');
		$alert = "<div class=\"alert $class alert-dismissible\">";
		$alert .= $can_hide ? '<button type="button" class="close" data-dismiss="alert" aria-hidden="true">x</button>' : '';
		$alert .= "<h4><i class=\"icon fa $icon\"></i> $title </h4>$message</div>";
		return $alert;
	}
}

if (! function_exists('do_login'))
{
	function do_login($userid, $username, $additional_information = array())
	{
		global $CI;
		$arr = array(
			'user_id'                => $userid,
			'user_name'              => $username,
			'time_login'             => date('Y-m-d H:i:s'),
			'additional_information' => $additional_information
		);
		if ($CI->session->set_userdata('logged_in', $arr))
			 return true;

		return false;
	}
}
 
if (! function_exists('is_login'))
{
	function is_login()
	{
		global $CI;
		$CI->load->library('session');
		if ($CI->session->userdata('logged_in')) {
			return true;
		}
		return false;
	}
}

if (! function_exists('do_logout'))
{
	function do_logout()
	{
		global $CI;
		if ($CI->session->unset_userdata('logged_in')) {
			return true;
		}
		return false;
	}
}

if (! function_exists('get_logged_in_user'))
{
	function get_logged_in_user()
	{
		global $CI;
		return $CI->session->userdata['logged_in'];
	}
}
 
if (! function_exists('is_home'))
{
	function is_home() {
		global $CI;
		$segment = $CI->uri->segment(2, '');
		if(empty($segment)) {
			return true;
		}
		return false;
	}
}
 
if (! function_exists('create_help_block'))
{
	function create_help_block($text)
	{
		$text = str_replace("<p>", "", $text);
		$text = str_replace("</p>", "", $text);
		return '<p class="help-block">'.$text.'</p>';
	}
}

if (! function_exists('create_breadcrumb'))
{
	function create_breadcrumb() {
		global $CI;
		if(is_home()) {
			return '<li class="active"><i class="fa fa-dashboard"></i> Home</li>';
		}
		else {
			$link = '<li><a href='.base_url().'><i class="fa fa-dashboard"></i> Home</a></li>';
			$url  = $CI->uri->segment_array();
			$item = count($url);
			unset($url[1]);
			$num  = 1;
			foreach($url as $segment) {
				++$num;
				$path  = ($num == $item) ? str_replace('-', ' ', $segment) : anchor(base_url('admin/'.$segment), str_replace('-', ' ', $segment));
				$class = ($num == $item) ? null : 'active';
				$link .= '<li class='.$class.'>'.ucwords($path).'</li>';
			}
			return $link;
		}
	}
}