openssl_encrypt

(PHP 5 >= 5.3.0, PHP 7)

Encrypts data

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

Encrypts given data with given method and key, returns a raw or base64 encoded string

Parameters:

data

The data.

method

The cipher method.

password

The password.

options

options can be one of OPENSSL_RAW_DATA, OPENSSL_ZERO_PADDING.

A non-NULL Initialization Vector.

Returns:

Returns the encrypted string on success or FALSE on failure.

This function is currently not documented; only its argument list is available.

Exception:

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

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

Changelog:

5.3.3

The iv parameter was added.

5.4.0

The raw_output was changed to options.