Base64 fwrite using php

Question

I want to use fwrite to post $username in base64 encoded Here is my current source

$fp = fopen(\"id.txt\", \"a\");
fwrite($fp, \" $username\\r\\n\");
fclose($fp         


        

Answer 1

Did you try a Google search or reading the PHP documentation?

http://php.net/manual/en/function.base64-encode.php