openssl_digest
(PHP 5 >= 5.3.0)
openssl_digest — Computes a digest
说明
string openssl_digest ( string $data , string $method [, bool $raw_output = false ] )Computes a digest hash value for the given data using a given method, and returns a raw or binhex encoded string.
Warning本函数还未编写文档,仅有参数列表。
参数
- data
-
The data.
- method
-
The digest method.
- raw_output
-
Setting to TRUE will return as raw output data, otherwise the return value is binhex encoded.
返回值
Returns the digested hash value on success 或者在失败时返回 FALSE.
错误/异常
Emits an E_WARNING level error if an unknown signature algorithm is passed via the method parameter.
参见
- openssl_get_cipher_methods() - Gets available cipher methods