bbone/application/helpers/custom_helper.php

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

/*
 * ASM
 *
 * @author		Venba Developers & Contributors
 * @copyright	Copyright (c) 2012 - 2017 InvoicePlane.com
 * @license		https://venbainfotech.com/license.txt
 * @link		https://venbainfotech.com.com
 */

//check auth
    if (!function_exists('check_auth')) 
    {
        function check_auth()
        {
            // Get a reference to the controller object
            $ci =& get_instance();
            return $ci->auth_model->is_logged_in();

            // if($ci->session->userdata('logged_in') == TRUE)
            // {
            //    return true;
            // } 
            // return false;
        }
    }

   //check admin
    if (!function_exists('is_superadmin')) 
    {
        function is_superadmin()
        {
            // Get a reference to the controller object
            $ci =& get_instance();
            return $ci->auth_model->is_superadmin();
        }
    }
    //check admin
    if (!function_exists('is_admin')) 
    {
        function is_admin()
        {
            // Get a reference to the controller object
            $ci =& get_instance();
            return $ci->auth_model->is_admin();
        }
    }

    //check user
    if (!function_exists('is_user')) 
    {
        function is_user()
        {
            // Get a reference to the controller object
            $ci =& get_instance();
            return $ci->auth_model->is_user();
        }
    }


    //get logged user
    if (!function_exists('user')) 
    {
        function user()
        {
            // Get a reference to the controller object
            $ci =& get_instance();
            $user = $ci->auth_model->get_logged_user();
            if (empty($user)) 
            {
                $ci->auth_model->logout();
            } else {
                return $user;
            }

        }
    }

    if (!function_exists('hash_password')) {
        function hash_password($password)
        {   
            $ci =& get_instance();
            return password_hash($password, PASSWORD_BCRYPT);
        }
    }


    // current date time function
    if(!function_exists('my_date_now')){
        function my_date_now(){        
            $dt = new DateTime('now', new DateTimezone(get_time_zone()));
            $date_time = $dt->format('Y-m-d H:i:s');      
            return $date_time;
        }
    }

    // show current date & time with custom format
    if(!function_exists('my_date_show_time')){
        function my_date_show_time($date){       
            if($date != ''){
                $date2 = date_create($date);
                $date_new = date_format($date2,"d M Y h:i A");
                return $date_new;
            }else{
                return '';
            }
        }
    }

    // show current date with custom format
    if(!function_exists('my_date_show')){
        function my_date_show($date){       
            
            if($date != ''){
                $date2 = date_create($date);
                $date_new = date_format($date2,"d M Y");
                return $date_new;
            }else{
                return '';
            }
        }
    }

    // show current date with custom format
    if(!function_exists('month_show')){
        function month_show($date){       
            
            if($date != ''){
                $date2 = date_create($date);
                $date_new = date_format($date2,"M Y");
                return $date_new;
            }else{
                return '';
            }
        }
    }

    // show current date with custom format
    if(!function_exists('show_year')){
        function show_year($date){       
            
            if($date != ''){
                $date2 = date_create($date);
                $date_new = date_format($date2,"Y");
                return $date_new;
            }else{
                return '';
            }
        }
    }


    //get days
    if (!function_exists('get_days')) {
        function get_days()
        {
            $days = array(
                '1'=>'Saturday',
                '2'=>'Sunday',
                '3'=>'Monday',
                '4'=>'Tuesday',
                '5'=>'Wednesday',
                '6'=>'Thursday',
                '7'=>'Friday'
            );
            return $days;
        }
    }

 // show different between two dates
    if(!function_exists('day_different')){
        function day_different($to){       
            
            if($to != ''){
                $days = (new DateTime())->diff(new DateTime($to))->days;
                return $days;
            }else{
                return '';
            }
        }
    }
	
	
 // audit history function
    if(!function_exists('audit_history')){
        function audit_history($postData,$table,$business_id){       
            
            if($table != ''){
			$id = $postData->id;
			$ci =& get_instance();
            $TableData = $ci->MY_Model->getData($table,$id,$business_id);
			$Output = array();
			foreach($postData as $postDatakey=>$postDatavalue) 
			{
                 foreach($TableData as $TableDatakey=>$TableDatavalue) 
				 {
                     if($postDatakey == $TableDatakey)
					 {
						 if($postDatavalue != $TableDatavalue)
						 {
							 $data['table_name'] = $table;
							 $data['column_name'] = $postDatakey;
							 $data['old_value'] = $TableDatavalue;
							 $data['new_value'] = $postDatavalue;
							 $data['created_by'] = user()->id;
							 $data['business_id'] = $business_id;
							 $data['primary_id'] = $id;
							 array_push($Output,$data);
						 }
					 }
                 }
            }
              return $Output;  
            }else{
                return '';
            }
        }
    }