/**
* Saves the current mapping rule for term creation
*
* @since 2.20
*
* @param array mapping rule
* @param integer post ID to be evaluated
* @param string category/scope to evaluate against: iptc_exif_standard_mapping, iptc_exif_taxonomy_mapping or iptc_exif_custom_mapping
* @param array attachment_metadata, default NULL
*/
public static function mla_mapping_rule($setting_value, $post_id, $category, $attachment_metadata)
{
//error_log( __LINE__ . ' MLA_WPML::mla_mapping_rule $setting_value = ' . var_export( $setting_value, true ), 0 );
return self::$current_mapping_rule = $setting_value;
}