Iwill give you files without syntax errors. I don’t know if these files will work or not without further debugging because a file should be tested in the script.
IonCube decoding cannot be done 100% clean. All decoders that can be found on the internet have errors in the output code and these errors must be fixed manually by a php programmer.
I can decode IonCube v8, v7 and v6, Zend guard, Nusphere, base64 and some other encryptions. I decrypt files with a license even if the license is expired.
IonCube v6 can be decoded very well, many file do not have errors.
IonCube v7 (or v8) has usually 2-3 errors in each decoded file and making a script work is difficult.
I cannot decode files encrypted with v8 and php 5.4; I cannot decode files corrupted or with functions names obfuscated.