hash_init()

hash_init()

function hash_init(string $algo, int $flags = 0, string $key = ''): mixed

Initialize an incremental hashing context.

Parameters:

• $algo (string)
• $flags (int), default 0, optional
• $key (string), default '', optional

Returns: mixed

No examples yet — check examples/ and showcases/ for usage patterns.

Internals

For how hash_init is implemented in the compiler, see the internals page.