Many programmers including me are using 
hashes to solve different problems, and when we are using hash function 
in web application we want client-side and server-sire values of hash 
for the same value to match. So, trying to solve this problem for 
javascript implementation of CRC32 algorithm and PHP implementation of 
the same algorithm I got this article and the code that I have included 
to the article.
Read complete article: Javascript crc3232 that matches PHP crc32 and works well with unicode