model->get_languages_list() as $language){
$pattern[] = '_'.$language->locale.'_';
}
$pattern = '/^('.implode('|',$pattern).')/';
//pattern like '/^(_en_US_|_fr_FR_|_de_DE_)/'
//filter meta to have only language meta
foreach ($post_meta as $key => $value){
//remove meta if key don't start by language locale
if (!preg_match($pattern,$key)){
unset($post_meta[$key]);
}
}
?>
Debug :
Post Type: post_type ;?>