FormHelper
class FormHelper extends Helper
FormHelper provides helpers to help display forms.
Methods
|  setCharset(string $charset)  Sets the default charset.  |  from Helper | |
| string |  getCharset()  Gets the default charset.  |  from Helper | 
| __construct(FormRendererInterface $renderer) | ||
| string |  getName()  Returns the canonical name of this helper.  |  |
|  setTheme(FormView $view, string|array $themes, bool $useDefaultThemes = true)  Sets a theme for a given view.  |  ||
| string |  form(FormView $view, array $variables = array())  Renders the HTML for a form.  |  |
| string |  start(FormView $view, array $variables = array())  Renders the form start tag.  |  |
| string |  end(FormView $view, array $variables = array())  Renders the form end tag.  |  |
| string |  widget(FormView $view, array $variables = array())  Renders the HTML for a given view.  |  |
| string |  row(FormView $view, array $variables = array())  Renders the entire form field "row".  |  |
| string |  label(FormView $view, string $label = null, array $variables = array())  Renders the label of the given view.  |  |
| string |  errors(FormView $view)  Renders the errors of the given view.  |  |
| string |  rest(FormView $view, array $variables = array())  Renders views which have not already been rendered.  |  |
| string |  block(FormView $view, string $blockName, array $variables = array())  Renders a block of the template.  |  |
| string |  csrfToken(string $tokenId)  Returns a CSRF token.  |  |
| humanize($text) | 
Details
setCharset(string $charset)
Sets the default charset.
Parameters
| string | $charset | The charset | 
string getCharset()
Gets the default charset.
Return Value
| string | The default charset | 
__construct(FormRendererInterface $renderer)
Parameters
| FormRendererInterface | $renderer | 
string getName()
Returns the canonical name of this helper.
Return Value
| string | The canonical name | 
setTheme(FormView $view, string|array $themes, bool $useDefaultThemes = true)
Sets a theme for a given view.
The theme format is "
Parameters
| FormView | $view | A FormView instance | 
| string|array | $themes | A theme or an array of theme | 
| bool | $useDefaultThemes | If true, will use default themes defined in the renderer | 
string form(FormView $view, array $variables = array())
Renders the HTML for a form.
Example usage:
<?php echo view['form']->form($form) ?>
 You can pass options during the call:
<?php echo view['form']->form($form, array('attr' => array('class' => 'foo'))) ?>
<?php echo view['form']->form($form, array('separator' => '+++++')) ?>
 This method is mainly intended for prototyping purposes. If you want to control the layout of a form in a more fine-grained manner, you are advised to use the other helper methods for rendering the parts of the form individually. You can also create a custom form theme to adapt the look of the form.
Parameters
| FormView | $view | The view for which to render the form | 
| array | $variables | Additional variables passed to the template | 
Return Value
| string | The HTML markup | 
string start(FormView $view, array $variables = array())
Renders the form start tag.
Example usage templates:
<?php echo $view['form']->start($form) ?>>
   Parameters
| FormView | $view | The view for which to render the start tag | 
| array | $variables | Additional variables passed to the template | 
Return Value
| string | The HTML markup | 
string end(FormView $view, array $variables = array())
Renders the form end tag.
Example usage templates:
<?php echo $view['form']->end($form) ?>>
   Parameters
| FormView | $view | The view for which to render the end tag | 
| array | $variables | Additional variables passed to the template | 
Return Value
| string | The HTML markup | 
string widget(FormView $view, array $variables = array())
Renders the HTML for a given view.
Example usage:
<?php echo $view['form']->widget($form) ?>
 You can pass options during the call:
<?php echo $view['form']->widget($form, array('attr' => array('class' => 'foo'))) ?>
<?php echo $view['form']->widget($form, array('separator' => '+++++')) ?>
   Parameters
| FormView | $view | The view for which to render the widget | 
| array | $variables | Additional variables passed to the template | 
Return Value
| string | The HTML markup | 
string row(FormView $view, array $variables = array())
Renders the entire form field "row".
Parameters
| FormView | $view | The view for which to render the row | 
| array | $variables | Additional variables passed to the template | 
Return Value
| string | The HTML markup | 
string label(FormView $view, string $label = null, array $variables = array())
Renders the label of the given view.
Parameters
| FormView | $view | The view for which to render the label | 
| string | $label | The label | 
| array | $variables | Additional variables passed to the template | 
Return Value
| string | The HTML markup | 
string errors(FormView $view)
Renders the errors of the given view.
Parameters
| FormView | $view | 
Return Value
| string | The HTML markup | 
string rest(FormView $view, array $variables = array())
Renders views which have not already been rendered.
Parameters
| FormView | $view | The parent view | 
| array | $variables | An array of variables | 
Return Value
| string | The HTML markup | 
string block(FormView $view, string $blockName, array $variables = array())
Renders a block of the template.
Parameters
| FormView | $view | The view for determining the used themes | 
| string | $blockName | The name of the block to render | 
| array | $variables | The variable to pass to the template | 
Return Value
| string | The HTML markup | 
string csrfToken(string $tokenId)
Returns a CSRF token.
Use this helper for CSRF protection without the overhead of creating a form.
echo $view['form']->csrfToken('rmuser'.$user->getId());
Check the token in your action using the same CSRF token id.
// $csrfProvider being an instance of Symfony\Component\Security\Csrf\TokenGenerator\TokenGeneratorInterface
if (!$csrfProvider->isCsrfTokenValid('rmuser'.$user->getId(), $token)) {
    throw new \RuntimeException('CSRF attack detected.');
}
Parameters
| string | $tokenId | The CSRF token id of the protected action | 
Return Value
| string | A CSRF token | 
Exceptions
| BadMethodCallException | when no CSRF provider was injected in the constructor | 
humanize($text)
Parameters
| $text | 
    © 2004–2017 Fabien Potencier
Licensed under the MIT License.
    http://api.symfony.com/3.4/Symfony/Bundle/FrameworkBundle/Templating/Helper/FormHelper.html