|
|
|
hash_hmac_file (no version information, might be only in CVS) hash_hmac_file -- Generate a keyed hash value using the HMAC method and the contents of a given file Descriptionstring hash_hmac_file ( string algo, string filename, string key [, bool raw_output] ) Parameters
- algo
Name of selected hashing algorithm (i.e. "md5", "sha256", "haval160,4", etc..)
- filename
URL describing location of file to be hashed; Supports fopen wrappers.
- key
Shared secret key used for generating the HMAC variant of the message digest.
- raw_output
When set to TRUE, outputs raw binary data.
Default value (FALSE) outputs lowercase hexits.
Return Values
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.
Examples
Example 1. hash_hmac_file() example <?php
/* Create a file to calculate hash of */
file_put_contents('example.txt', 'The quick brown fox jumped over the lazy dog.');
echo hash_hmac_file('md5', 'example.txt', 'secret');
?> |
The above example will output: 7eb2b5c37443418fc77c136dd20e859c |
|
|
|
|
hash_final
