openssl_digest

(PHP 5 >= 5.3.0)

openssl_digest — Computes a digest

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。

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.

Returns the digested hash value on success 或者在失败时返回 FALSE.

Emits an E_WARNING level error if an unknown signature algorithm is passed via the method parameter.