At the beginning of this year, I wrote about the incompatibility of Zend Guard Loader (formerly known as Zend Optimizer) with PHP 5.3.x. Although PHP 5.3.0 was published over a year ago (November 1, 2009), there is no solution for Zend Optimizer or Zend Guard yet, and Zend Server doesn’t properly decrypt files encoded by Zend Guard.
This has been a problem for OXID eShop PE and EE customers, who have been unable to update their installations to PHP 5.3.0 or better due to this incompatibility. So at OXID Partner Day, OXID announced that it would abandon Zend Guard encryption for these editions of OXID eShop. Both products will however continue to be available under a commercial license.