hash_final
(PHP 5 >= 5.1.2, PECL hash >= 1.1)
hash_final — Finalize an incremental hash and return resulting digest
说明
string hash_final ( resource $context [, bool $raw_output = false ] )参数
- context
-
Hashing context returned by hash_init().
- raw_output
-
When set to TRUE, outputs raw binary data. 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
Example #1 hash_final() example 以上例程会输出:
<?php
$ctx = hash_init('sha1');
hash_update($ctx, 'The quick brown fox jumped over the lazy dog.');
echo hash_final($ctx);
?>
c0854fb9fb03c41cce3802cb0d220529e6eef94e
参见
- hash_init() - Initialize an incremental hashing context
- hash_update() - Pump data into an active hashing context
- hash_update_stream() - Pump data into an active hashing context from an open stream
- hash_update_file() - Pump data into an active hashing context from a file