hash
(PHP 5 >= 5.1.2, PECL hash:1.1-1.5)
hash — Generate a hash value (message digest)
说明
string hash
( string $algo
, string $data
[, bool $raw_output
] )
参数
- algo
-
Name of selected hashing algorithm (i.e. "md5", "sha256", "haval160,4", etc..)
- data
-
Message to be hashed.
- 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
Example#1 A hash() example
<?php
echo hash('ripemd160', 'The quick brown fox jumped over the lazy dog.');
?>
上例将输出：
ec457d0a974c48d5685a7efa03d137dc8bbde7e3
