(PHP 5 >= 5.1.2, PHP 7, PHP 8, PECL hash >= 1.1)
hash_final — Finalize an incremental hash and return resulting digest
contextHashing context returned by hash_init().
binary
When set to true, outputs raw binary data.
false outputs lowercase hexits.
Returns a string containing the calculated message digest as lowercase hexits
unless binary is set to true in which case the raw
binary representation of the message digest is returned.
Example #1 hash_final() example
<?php
$ctx = hash_init('sha1');
hash_update($ctx, 'The quick brown fox jumped over the lazy dog.');
echo hash_final($ctx);
?>
The above example will output:
c0854fb9fb03c41cce3802cb0d220529e6eef94e