php


What does OPENSSL_RAW_DATA do?


I'm pretty new to PHP encryption (and encryption in general) and I've been reading about using openssl_encrypt() function of PHP.
There's an option to add a flag called OPENSSL_RAW_DATA. What does this actually do and where can I see how PHP uses this in the PHP source code?
OPENSSL_RAW_DATA just tells openssl_encrypt() to return the cipherText as ... raw data. By default, it returns it Base64-encoded.
The source code is easy to find, but not really useful as it's not like the flag does anything extra ... The opposite - it tells PHP not to do the extra step of Base64 encoding.

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