code: public function fetch() : string
  	{
  		$sContent = '<input type="checkbox" name="'.$this->getName().'[]" value="'.$this->getValue().'"';
  
  		if (in_array($this->getValue(), $this->getValuesChecked())) { $sContent .= ' checked="checked"'; }
  		
  		$sContent .= '/> '.$this->getLabel();
  
  		return $sContent;
  	}
docs: get the <html>
  
  @access public
  @return string