openssl_decrypt

(PHP 5 >= 5.3.0, PHP 7)

openssl_decrypt — Decrypts data

string openssl_decrypt ( string $data , string $method , string $password [, int $options = 0 [, string $iv = "" ]] )

Takes a raw or base64 encoded string and decrypts it using a given method and key.

Warning

本函数还未编写文档，仅有参数列表。

data: The data.
method: The cipher method.
password: The password.
options: options can be one of OPENSSL_RAW_DATA, OPENSSL_ZERO_PADDING.
iv: A non-NULL Initialization Vector.

The decrypted string on success 或者在失败时返回 FALSE.

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

Emits an E_WARNING level error if an empty value is passed in via the iv parameter.

版本	说明
5.3.3	The `iv` parameter was added.
5.4.0	The `raw_output` was changed to `options`.