Filter::getFieldHandler

protected function getFieldHandler(array $field)
{
	$result = '';
	if (!isset($field['type']))
	{
		$field['type'] = 'string';
	}
	if (isset($this->fieldTypeHandlers[$field['type']]))
	{
		$result = $this->fieldTypeHandlers[$field['type']];
	}

	return $result;
}