hash_final

Finalize an incremental hash and return resulting digest ()
string hash_final ( resource context [, bool raw_output] )

参数

context

Hashing context returned by hash_init().

raw_output

When set to TRUE, outputs raw binary data. Default value (FALSE) outputs lowercase hexits.

返回值

Returns a string containing the calculated message digest as lowercase hexits unless raw_output is set to true in which case the raw binary representation of the message digest is returned.

范例

例 746. hash_final() example

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

上例将输出:

c0854fb9fb03c41cce3802cb0d220529e6eef94e