core-bundle/src/Resources/contao/classes/Frontend.php
public static function getMetaData($strData, $strLanguage)
	{
		if (empty($strLanguage))
		{
			return array();
		}

		$arrData = StringUtil::deserialize($strData);

		// Convert the language to a locale (see #5678)
		$strLanguage = str_replace('-', '_', $strLanguage);

		if (!\is_array($arrData) || !isset($arrData[$strLanguage]))
		{
			return array();
		}

		return $arrData[$strLanguage];
	}
public static function getMetaData($strData, $strLanguage)
	{
		if (empty($strLanguage))
		{
			return array();
		}

		$arrData = StringUtil::deserialize($strData);

		// Convert the language to a locale (see #5678)
		$strLanguage = str_replace('-', '_', $strLanguage);

		if (!\is_array($arrData) || !isset($arrData[$strLanguage]))
		{
			return array();
		}

		return $arrData[$strLanguage];
	}
Get the meta data from a serialized string

@param string $strData
@param string $strLanguage

@return array