This question already has an answer here:
crypt('foo','$2a$07$.blablabla')
$2a$
refers to using CRYPT_BLOWFISH
but what does 07$
refer to?
</div>
This question already has an answer here:
crypt('foo','$2a$07$.blablabla')
$2a$
refers to using CRYPT_BLOWFISH
but what does 07$
refer to?
</div>
The number after $2a$
is the cost, which is the number of rounds of encryption to perform. Increasing this makes it harder to crack the encryption, but it also slows down encryption.