hash_final() – Finalize Incremental Hash and Return Digest

The hash_final() function ends an incremental hash operation and returns the resulting digest. Its signature is

string hash_final(resource $context[, bool $raw_output = false])

.

Parameters

context : The hash context resource returned by hash_init().

raw_output : When set to TRUE, the function returns the raw binary digest; when FALSE, it returns a lowercase hexadecimal string.

Return value

If $raw_output is TRUE, a binary string is returned; otherwise a hexadecimal string is returned.

Example

<?php
$ctx = hash_init('sha1');
hash_update($ctx, 'The quick brown fox jumped over the lazy dog.');
echo hash_final($ctx);
?>

Output

c0854fb9fb03c41cce3802cb0d220529e6eef94e