FBPHP 4.5.0 includes all updates presented in Zend Studio 8.0.1.
Do you see any issue that was not integrated please post it here.
Thanks for the answer. I thought there were updates in ZS 8.0.1 final related to
Case 187879 - Processing large files is now optimized.
I can confirm that the fixes related o this issue were integrated in FBPHP 4.5.0.