core-bundle/src/Resources/contao/pages/PageForward.php
protected function getForwardUrl($objPage)
	{
		if ($objPage->jumpTo)
		{
			$objNextPage = PageModel::findPublishedById($objPage->jumpTo);
		}
		else
		{
			$objNextPage = PageModel::findFirstPublishedRegularByPid($objPage->id);
		}

		// Forward page does not exist
		if (!$objNextPage instanceof PageModel)
		{
			$this->log('Forward page ID "' . $objPage->jumpTo . '" does not exist', __METHOD__, TL_ERROR);
			throw new ForwardPageNotFoundException('Forward page not found');
		}

		$strGet = '';
		$strQuery = Environment::get('queryString');
		$arrQuery = array();

		// Extract the query string keys (see #5867)
		if ($strQuery != '')
		{
			$arrChunks = explode('&', $strQuery);

			foreach ($arrChunks as $strChunk)
			{
				list($k) = explode('=', $strChunk, 2);
				$arrQuery[] = $k;
			}
		}

		// Add $_GET parameters
		if (!empty($_GET))
		{
			foreach (array_keys($_GET) as $key)
			{
				if (Config::get('addLanguageToUrl') && $key == 'language')
				{
					continue;
				}

				// Ignore the query string parameters (see #5867)
				if (\in_array($key, $arrQuery))
				{
					continue;
				}

				// Ignore the auto_item parameter (see #5886)
				if ($key == 'auto_item')
				{
					$strGet .= '/' . Input::get($key);
				}
				else
				{
					$strGet .= '/' . $key . '/' . Input::get($key);
				}
			}
		}

		// Append the query string (see #5867)
		if ($strQuery != '')
		{
			$strQuery = '?' . $strQuery;
		}

		return $objNextPage->getAbsoluteUrl($strGet) . $strQuery;
	}
protected function getForwardUrl($objPage)
	{
		if ($objPage->jumpTo)
		{
			$objNextPage = PageModel::findPublishedById($objPage->jumpTo);
		}
		else
		{
			$objNextPage = PageModel::findFirstPublishedRegularByPid($objPage->id);
		}

		// Forward page does not exist
		if (!$objNextPage instanceof PageModel)
		{
			$this->log('Forward page ID "' . $objPage->jumpTo . '" does not exist', __METHOD__, TL_ERROR);
			throw new ForwardPageNotFoundException('Forward page not found');
		}

		$strGet = '';
		$strQuery = Environment::get('queryString');
		$arrQuery = array();

		// Extract the query string keys (see #5867)
		if ($strQuery != '')
		{
			$arrChunks = explode('&', $strQuery);

			foreach ($arrChunks as $strChunk)
			{
				list($k) = explode('=', $strChunk, 2);
				$arrQuery[] = $k;
			}
		}

		// Add $_GET parameters
		if (!empty($_GET))
		{
			foreach (array_keys($_GET) as $key)
			{
				if (Config::get('addLanguageToUrl') && $key == 'language')
				{
					continue;
				}

				// Ignore the query string parameters (see #5867)
				if (\in_array($key, $arrQuery))
				{
					continue;
				}

				// Ignore the auto_item parameter (see #5886)
				if ($key == 'auto_item')
				{
					$strGet .= '/' . Input::get($key);
				}
				else
				{
					$strGet .= '/' . $key . '/' . Input::get($key);
				}
			}
		}

		// Append the query string (see #5867)
		if ($strQuery != '')
		{
			$strQuery = '?' . $strQuery;
		}

		return $objNextPage->getAbsoluteUrl($strGet) . $strQuery;
	}
Return the URL to the jumpTo or first published page

@param PageModel $objPage

@return string

@throws ForwardPageNotFoundException