Find answers to frequently asked questions and read through some tips and tricks related to all Setasign PHP products.

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Fatal error: Incompatible file format: The encoded file has format major ID ...

Due to the lack of backwards compatibility of Zend Guard it is required to use a pre-encoded version for each individual PHP version.

Make sure that you download the correct package from your pickup depot or download page. The filenames are suffixed with the PHP version.

We ended at PHP 5.3 for zended packages. If you need to test it on PHP > 5.3 you should request a license for Ioncube instead.