Creating and Accessing the Helper in the Controller

Question

I've created a helper file in App folder named as Helper.php.

app/Helper.php

<?php

namespace App;

use Illuminate\Support\Facades\DB;

class Helper {

    public function get_username($user_id) 
    {
        $user = DB::table('users')->where('userid', $user_id)->first();

        return (isset($user->username) ? $user->username : '');
    }
}

app/Providers/HelperServiceProvider.php

<?php

namespace App\Providers;

use Illuminate\Support\ServiceProvider;

class HelperServiceProvider extends ServiceProvider
{
    public function boot()
    {
        //
    }

    public function register()
    {
        require_once app_path() . 'Helper.php';
    }
}

config/app.php

Inside the provider's array...

App\Providers\HelperServiceProvider::class,

Inside aliases array...

'Helper' => App\Helper::class,

Everything was working fine but now I have the following error.

ErrorException thrown with message "Non-static method Helper::get_username($user->id) should not be called statically

But when I add static keyword to function its works fine. What's the difference between static and non-static methods?

Nikolay Traykov · Accepted Answer · 2019-01-21 22:30:36Z

0

Aliases give you the possibility to access a facade in a blade template without adding it in the template (vie use statement). When calling a method via a facade, you call this method statically and the facade will call the object of the class containing this method.

In Laravel, it is usually more convenient to create a file containing helpers like Laravel does and to autoload that file via composer.

Please check here for more details

answered Jan 21, 2019 at 22:30

Nikolay Traykov

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