Get MD5 Checksum for Very Large Files

Question

I\'ve written a script that reads through all files in a directory and returns md5 hash for each file. However, it renders nothing for a rather large file. I assume that t

Answer 1

While i couldn't reproduce it with PHP 5.2 or 5.3 with a 2GB file the issue seems to come up on 32bit PHP builds.

Even so it's not a really nice solution you could try to let the system to the hasing

echo system("md5sum test.txt");

46d6a7bcbcf7ae0501da341cb3bae27c test.txt