core-bundle/src/Resources/contao/library/Contao/Widget.php
public function generateLabel()
	{
		if ($this->strLabel == '')
		{
			return '';
		}

		return sprintf('<label%s%s>%s%s%s</label>',
						($this->blnForAttribute ? ' for="ctrl_' . $this->strId . '"' : ''),
						(($this->strClass != '') ? ' class="' . $this->strClass . '"' : ''),
						($this->mandatory ? '<span class="invisible">'.$GLOBALS['TL_LANG']['MSC']['mandatory'].' </span>' : ''),
						$this->strLabel,
						($this->mandatory ? '<span class="mandatory">*</span>' : ''));
	}
public function generateLabel()
	{
		if ($this->strLabel == '')
		{
			return '';
		}

		return sprintf('<label%s%s>%s%s%s</label>',
						($this->blnForAttribute ? ' for="ctrl_' . $this->strId . '"' : ''),
						(($this->strClass != '') ? ' class="' . $this->strClass . '"' : ''),
						($this->mandatory ? '<span class="invisible">'.$GLOBALS['TL_LANG']['MSC']['mandatory'].' </span>' : ''),
						$this->strLabel,
						($this->mandatory ? '<span class="mandatory">*</span>' : ''));
	}
Generate the label and return it as string

@return string The label markup