/** * Display field * * This method overwrites parent display method to include some hidden values */ public function display() { parent::display(); if (isset($_POST['s']) && isset($_POST['distance'])) { echo HTML::hiddenInput('s_old', $_POST['s']); echo HTML::hiddenInput('dist_old', $_POST['distance']); if ($this->value > 0) { echo HTML::hiddenInput('shoeid_old', $this->value); } } }