Custom helper files ar not working on shared hosting account

If this works locally, carefully check the letter case of all the files compared to composer.json

Agreed with Snapey. I experienced once, it's case sensitive in linux.

@SNAPEY - Thank you for your note, i checked the files and it looks like they are matching,

// files in Helpers folder are (Helpers/)
1- activeAdminSidebar.php
2- isOnline.php
3- messages.php

on composer.jason i have them declared like this

    "autoload": {
        "classmap": [
            "database/seeds",
            "database/factories"
        ],
        "psr-4": {
            "App\": "app/"
        },
        "files" :[
            "App/Helpers/activeAdminSidebar.php", 
            "App/Helpers/messages.php",
            "App/Helpers/isOnline.php"
        ]
    },

How i setup the APP on shared hosting is this

outside public_html i have create a folder called demo where i'm storing all laravel files in, as for public folder

i'm using default public_html folder to place laravel public files instead the default public folder that comes with laravel.

also i have updated the index.php files in public_html like this

require __DIR__.'/../demo/vendor/autoload.php';

and 

$app = require_once __DIR__.'/../demo/bootstrap/app.php';

the app is working perfectly on localhost, and on shared account, but every time the app needed any helper functions it breaks,

error sample

Call to undefined function setMainButton() (View: /home/demolinx/demo/resources/views/layouts/sidemenu.blade.php) (View: /home/demolinx/demo/resources/views/layouts/sidemenu.blade.php) (View: /home/demolinx/demo/resources/views/layouts/sidemenu.blade.php)

the setMainButton() function is available on one of the helpers files (activeAdminSidebar.php)

// this is my activeAdminSidebar.php file
<?php

function setMainButton($path){

    return Request::segment(3) === $path ? 'active' : '';

}

function setArrow($path){

    return Request::segment(3) === $path ? 'collapse show' : 'collapse';

}

function activeGroup($path){
    // groupe set
    return Request::segment(3) === $path ? '' : 'collapsed';

}

function setCollapsed($path){
    // collpsed icon function
    return Request::segment(4) === $path ? '' : 'collapsed';

}

function setActive($path){

    return Request::segment(4) === $path ? 'active' : '';

}

Do you see anything in my setup that might cause this type of errors.

@SNAPEY - I made the App like this app, then run composer dump-autoload and it worked

"files" :[
            "app/Helpers/activeAdminSidebar.php", 
            "app/Helpers/messages.php",
            "app/Helpers/isOnline.php"
        ]

@snapey You are awesome :-) thank you man

@snapey @siangboon last week I faced the issue, I was so upset, but today after seen your comment I went to the composer.json and check the spellings. voila found it, it was Helpers and in composer json I wrote helpers.

I love programming