Helper for creating language anchors in Laravel

This little helper gets the current URL and then applies the desired language to it.

Let's say you are located on http://domain.com/news/europe and that website is on English and you want to enable your users to click on a link, let's call it "translate to croatian" and then they would get the same page, but on Croatian language http://domain.com/hr/news/europe.

I hope that you understood what I meant to say :)

Put this helper in: app/helpers. Include that folder in composer.json. Run composer dump-autoload. In your view (layout) just create a simple <a href="{{ L18n::currentUrl('en') }}">translate to english</a> or <a href="{{ L18n::currentUrl() }}">translate to default website language</a>.

Filename: L18n.php

<?php

Class L18n{

 /*
 |
 | Gets the URL of the current page and applies the desired language to it.
 | If `lang` is set to "en" then the URL for the route `trips` should look
 | like `http://domain.com/en/trips`. If the `lang` is set to "" then the URL
 | should look like `http://domain.com/trips`.
 |
 */
 static function currentUrl($lang = "")
 {
 // if the desired language is found in the supported_locales variable
 if( in_array($lang, Config::get('locales.supported_locales')) )
 {
 // if the first part of the URL is found in the supported_locales
 if( in_array(Request::segment(1), Config::get('locales.supported_locales')) )
 {
 // remove the first two characters from the `path`; DELETE (en)
 $cleanPath = substr(Request::path(), 2);
 // replace current `path` with the modified `lang` + `cleanPath`; MERGE (de/path)
 $translated = str_replace(Request::path(), $lang.$cleanPath, Request::url());
 }
 // else if the first part of the URL is null; DOES NOT EXIST (there is no language set)
 elseif (Request::segment(1)==null)
 {
 // append `lang` to the end of the current URL
 $translated = Request::url().'/'.$lang;
 }
 // else if the first part of the URL is something, but not a language then
 else{
 // save current path
 $path = Request::path();
 // append `lang` and `path` to `domain`
 $translated = Config::get('app.url').'/'.$lang.'/'.$path;
 }

 return $translated;
 }
 // if the desired language is not found in the supported_locales variable; (default to app.locale)
 else{
 // if the first part of the URL is found in the supported_locales (the user is currently viewing the translated page)
 if( in_array(Request::segment(1), Config::get('locales.supported_locales')) )
 {
 // remove the first three characters from `path`; DELETE (en/)
 $cleanPath = substr(Request::path(), 3);
 // replace current `path` with `cleanPath`
 $default = str_replace(Request::path(), $cleanPath, Request::url());
 }
 // the URL has no language set
 else{
 // just return the current URL
 $default = Request::url();
 }

 return $default;
 }
 }

}

Here is the Pro tip that helped me to configure my routes for multi-lingual website: https://coderwall.com/p/czumyq