type = 'kirki-custom'; } /** * Sets the $sanitize_callback * * @access protected */ protected function set_sanitize_callback() { // If a custom sanitize_callback has been defined, // then we don't need to proceed any further. if ( ! empty( $this->sanitize_callback ) ) { return; } // Custom fields don't actually save any value. // just use __return_true. $this->sanitize_callback = '__return_true'; } }