Cake\View\Helper\FormHelper::postButton PHP Method

    public function postButton($title, $url, array $options = [])
    {
        $formOptions = ['url' => $url];
        if (isset($options['method'])) {
            $formOptions['type'] = $options['method'];
            unset($options['method']);
        }
        if (isset($options['form']) && is_array($options['form'])) {
            $formOptions = $options['form'] + $formOptions;
            unset($options['form']);
        }
        $out = $this->create(false, $formOptions);
        if (isset($options['data']) && is_array($options['data'])) {
            foreach (Hash::flatten($options['data']) as $key => $value) {
                $out .= $this->hidden($key, ['value' => $value]);
            }
            unset($options['data']);
        }
        $out .= $this->button($title, $options);
        $out .= $this->end();
        return $out;
    }