hash
(PHP 5 >= 5.1.2, PECL hash >= 1.1)
hash — Generate a hash value (message digest)
说明
string hash ( string $algo , string $data [, bool $raw_output = false ] )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. 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 以上例程会输出：
<?php
echo hash('ripemd160', 'The quick brown fox jumped over the lazy dog.');
?>
ec457d0a974c48d5685a7efa03d137dc8bbde7e3
参见
- hash_file() - Generate a hash value using the contents of a given file
- hash_hmac() - Generate a keyed hash value using the HMAC method
- hash_init() - Initialize an incremental hashing context
- md5() - 计算字符串的 MD5 散列值
- sha1() - 计算字符串的 sha1 散列值
