woof_seo_rules_langs

从 v.2.2.6/1.2.6

用于扩展“SEO URL request‘ and allows to add additional languages for plugins like Polylang

示例：

add_filter('woof_seo_rules_langs',function($langs){
	$langs = array_merge($langs, array('en_US', 'es_ES'));
	return array_unique($langs);
});