protected function initialize()
    {
        $tagName = $this->element->getTagName();
        if ('input' !== $tagName && 'button' !== $tagName) {
            throw new \LogicException(\sprintf('An InputFormField can only be created from an input or button tag (%s given).', $tagName));
        }

        $type = \strtolower($this->element->getAttribute('type'));
        if ('checkbox' === $type) {
            throw new \LogicException('Checkboxes should be instances of ChoiceFormField.');
        }

        if ('file' === $type) {
            throw new \LogicException('File inputs should be instances of FileFormField.');
        }
    }
protected function initialize()
    {
        $tagName = $this->element->getTagName();
        if ('input' !== $tagName && 'button' !== $tagName) {
            throw new \LogicException(\sprintf('An InputFormField can only be created from an input or button tag (%s given).', $tagName));
        }

        $type = \strtolower($this->element->getAttribute('type'));
        if ('checkbox' === $type) {
            throw new \LogicException('Checkboxes should be instances of ChoiceFormField.');
        }

        if ('file' === $type) {
            throw new \LogicException('File inputs should be instances of FileFormField.');
        }
    }
protected function initialize ( ) { $ tagName = $ this -> element -> getTagName ( ) ; if ( 'input' !== $ tagName && 'button' !== $ tagName ) { throw new \ LogicException ( \ sprintf ( 'An InputFormField can only be created from an input or button tag (%s given).' , $ tagName ) ) ; } $ type = \ strtolower ( $ this -> element -> getAttribute ( 'type' ) ) ; if ( 'checkbox' === $ type ) { throw new \ LogicException ( 'Checkboxes should be instances of ChoiceFormField.' ) ; } if ( 'file' === $ type ) { throw new \ LogicException ( 'File inputs should be instances of FileFormField.' ) ; } }
Initializes the form field.

@throws \LogicException When node type is incorrect
Initializes the form field .