Shortcode to generate a link for a specific language for the given page

wpml_get_link_for_language.php

 <?php
 
  add_shortcode('wpml_link', array($this, 'render_wpml_link'));
 
  function render_wpml_link($attributes) {
      $attributes = shortcode_atts(
          array(
              'code' => 'de',
          ), $attributes);

      $active_languages = apply_filters( 'wpml_active_languages', null, null );

      if (count($active_languages) > 1) {
          foreach ($active_languages as $language) {
              if ($language['language_code'] == $attributes['code']) {
                  return $language['url'];
              }
          }
      }
      return get_permalink();
  }
    
  /**
  * Usage:
  * 
  * [wpml_link code="de"]
  * 
  * <a href="[wpml_link code="de"]">Deutsch</a>
  */