Helper/Config.php
public function isSandboxModeSet($store = null)
    {
        return $this->getScopeConfig()->isSetFlag(
            self::XML_PATH_SANDBOX_MODE,
            ScopeInterface::SCOPE_STORE,
            $store
        );
    }
public function isSandboxModeSet($store = null)
    {
        return $this->getScopeConfig()->isSetFlag(
            self::XML_PATH_SANDBOX_MODE,
            ScopeInterface::SCOPE_STORE,
            $store
        );
    }
public function isSandboxModeSet ( $ store = null ) { return $ this -> getScopeConfig ( ) -> isSetFlag ( self :: XML_PATH_SANDBOX_MODE , ScopeInterface :: SCOPE_STORE , $ store ) ; }
Get sandbox mode config value

@param int|string|Store $store

@return bool
@SuppressWarnings(PHPMD.BooleanGetMethodName)
@codeCoverageIgnore
Get sandbox mode config value