$this->get_field_config( '', '', 'hidden', '' ), 'desc' => $this->get_field_config( '', '', 'hidden', '' ), 'linkdex' => $this->get_field_config( '', '', 'hidden', '' ), 'content_score' => $this->get_field_config( '', '', 'hidden', '' ), 'focuskw' => $this->get_field_config( '', '', 'hidden', '' ), ); /** * Filter: 'wpseo_taxonomy_content_fields' - Adds the possibility to register additional content fields. * * @api array - The additional fields. */ $additional_fields = apply_filters( 'wpseo_taxonomy_content_fields', array() ); return $this->filter_hidden_fields( array_merge( $fields, $additional_fields ) ); } }