Laravel5: Access public variable in another class

Question

I have a middleware file called LanguageMiddleware.php:

...
class LanguageMiddleware {

    //ISO language codes:
    public $languages = ['en','es','fr','de','pt','pl','zh','ja'];
    ...

LanguageMiddleware.php is in laravelProj/app/Http/Middleware/

Here's my problem: I have a blade template file called master.blade.php where I'm attempting to output a list of languages

@foreach (App\Http\Middleware\LanguageMiddleware\languages as $lang)
    <a class=\"setLang\" href=\"lang/en\">{{ Locale::getDisplayLanguage($lang, $lang) }}</a><br>
@endforeach

I need to access the $languages variable in LanguageMiddleware.php

master.blade.php is in laravelProj/resources/views/layouts/

How to access variables in another class?

Thomas Ruiz · Accepted Answer · 2015-06-15 10:28:46Z

3

That's simple php stuff. Set the attribute as static and access it with ::.

class LanguageMiddleware {
    public static $languages = ['en','es','fr','de','pt','pl','zh','ja'];
}

@foreach (App\Http\Middleware\LanguageMiddleware::$languages as $lang)
    ...
@endforeach

You should not have that in a middleware though. You'd better add a configuration (i.e in /config/app.php) with that array, and access it with Config::get.

answered Jun 15, 2015 at 10:28

Thomas Ruiz

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2 Comments

Martin Bean Over a year ago

Seconded: if languages need to be accessed outside of the middleware, then move them out of the middleware to somewhere that is accessible by both.

Eamorr Over a year ago

I know it might seem simple, but I am only finding this stuff out and am trying to do it the right way. Thank you for your tip about Config::get... That is certainly what I should be doing!

Michel · Accepted Answer · 2015-06-15 10:38:40Z

The best way is to have a class with a function that can be access outside of its scope. I normally do something like this one here:

In app directory you can create a new directory (e.g libs),

put LanguageMiddleware.php in there,

class LanguageMiddleware{
 static function languages($lang){
   //Do your languages code here
}
}

In app/start/global.php add app_path().'/libs' to you addDirectories, Then in composer.json add "app/libs" to autoLoad array.

In your blade template you can do:

@foreach(LanguageMiddleware::languages($lang))
  <a class=\"setLang\" href=\"lang/en\">{{ Locale::getDisplayLanguage($lang, $lang) }}</a><br>
@endforeach

This way the class and its function is now available wherever you want to call it in your project.

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