PHP中的MCrypt库是否存在任何已知的错误/问题

I am wondering are there any issues with the MCrypt library in PHP, because I am making an encryption/decryption test. In the same file I have a encryption and decryption, no functions no nothing. When I encrypt, everything is perfect, but when I start decrypting right after that, the output becomes garbage. I am sure that I am passing the same key and IV, I have even changed the algorithm (3DES and RIJNDEAL-128) in OFB and ECB. Everything is the same.I am wondering are there any issues with the MC