src/Samurai/Component/Helper/FormHelper.php
public function open($url, array $attributes = [])
    {
        $tag = new Tag('form', $attributes);
        $tag->action = $url;
        $tag->method = 'POST';
        return $tag;
    }
public function open($url, array $attributes = [])
    {
        $tag = new Tag('form', $attributes);
        $tag->action = $url;
        $tag->method = 'POST';
        return $tag;
    }
public function open ( $ url , array $ attributes = [ ] ) { $ tag = new Tag ( 'form' , $ attributes ) ; $ tag -> action = $ url ; $ tag -> method = 'POST' ; return $ tag ; }
open form tag.

@param   string  $url
@param   array   $attributes
@return  Tag
open form tag .