core-bundle/src/Resources/contao/library/Contao/Pagination.php
protected function linkToPage($intPage)
	{
		if ($intPage <= 1 && !$this->blnForceParam)
		{
			return ampersand($this->strUrl);
		}
		else
		{
			return ampersand($this->strUrl) . $this->strVarConnector . $this->strParameter . '=' . $intPage;
		}
	}
protected function linkToPage($intPage)
	{
		if ($intPage <= 1 && !$this->blnForceParam)
		{
			return ampersand($this->strUrl);
		}
		else
		{
			return ampersand($this->strUrl) . $this->strVarConnector . $this->strParameter . '=' . $intPage;
		}
	}
Generate a link and return the URL

@param integer $intPage The page ID

@return string The URL string