source/Core/Theme.php
public function getActiveThemeId()
    {
        $sCustTheme = \OxidEsales\Eshop\Core\Registry::getConfig()->getConfigParam('sCustomTheme');
        if ($sCustTheme) {
            return $sCustTheme;
        }

        return \OxidEsales\Eshop\Core\Registry::getConfig()->getConfigParam('sTheme');
    }
public function getActiveThemeId()
    {
        $sCustTheme = \OxidEsales\Eshop\Core\Registry::getConfig()->getConfigParam('sCustomTheme');
        if ($sCustTheme) {
            return $sCustTheme;
        }

        return \OxidEsales\Eshop\Core\Registry::getConfig()->getConfigParam('sTheme');
    }
public function getActiveThemeId ( ) { $ sCustTheme = \ OxidEsales \ Eshop \ Core \ Registry :: getConfig ( ) -> getConfigParam ( 'sCustomTheme' ) ; if ( $ sCustTheme ) { return $ sCustTheme ; } return \ OxidEsales \ Eshop \ Core \ Registry :: getConfig ( ) -> getConfigParam ( 'sTheme' ) ; }
Return current active theme, or custom theme if specified

@return string
Return current active theme or custom theme if specified