(PHP 5 >= 5.3.0)
openssl_decrypt — Decrypts data
$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.
This function is currently not documented; only its argument list is available.
dataThe data.
methodThe cipher method.
passwordThe password.
options
        options can be one of
        OPENSSL_RAW_DATA,
        OPENSSL_ZERO_PADDING.
       
ivA non-NULL Initialization Vector.
   The decrypted string on success or FALSE on failure.
  
   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.
  
| Version | Description | 
|---|---|
| 5.3.3 | The ivparameter was added. | 
| 5.4.0 | The raw_outputwas changed tooptions. |