Display WPML language buttons custom with current language

header.php

		<?php 
			  $languages = icl_get_languages('skip_missing=0');
			  if(1 < count($languages)){
			  	echo '<ul>';
			    foreach($languages as $l){
			    	if(!$l['active']) {
			    		$lang = '<li class="lang-button"><a href="'.$l['url'].'">'.$l['language_code'].'</a></li>';
			    	} else {
			    		$lang = '<li class="lang-button"><a class="current-lang" href="'.$l['url'].'">'.$l['language_code'].'</a></li>';
			    	}
			      echo $lang;
			    }
			    echo "</ul>";
			  }
		?>