Custom language switcher for the wpml plugin that shows the language code

CUSTOM LANGUAGE SWITCHER

<?php

// IN FUNCTIONS.PHP FILE CUSTOM LANGUAGE SWITCHER
function language_selector_flags(){
    $languages = icl_get_languages('skip_missing=0&orderby=code');
    if(!empty($languages)){
        echo '<ul class="menu language-menu">';
        foreach($languages as $l){
            if($l['active'] == 1){ $class = 'lang_sel_sel'; }
            elseif ($l['active'] == 0) {
              $class = 'lang_sel_other';
            }
            echo '<li><a href="'.$l['url'].'" class="'.$class.'"><span>';
            echo strtoupper($l['language_code']);
            echo '</span></a></li> ';
        }
        echo '</ul>';
    }
}


// TO TRIGGER
language_selector_flags();
?>