A custom php algorithm in hashcat?

[reeexy]

If you encode the password "hashcat" with this algorithm, what is the result?

P8eWSN4Vi+uoQYpsdG0/o8lAKXo=

But you also have to provide the id of the account that the password belongs to so in the example above I picked the id of 100.

print pass2('hashcat', '100');