Deciphers an image

# Imagick::decipherImage

(PECL imagick 2 >= 2.3.0, PECL imagick 3)

Imagick::decipherImage — Deciphers an image

### 说明

public function Imagick::decipherImage(string `$passphrase`): bool

Deciphers image that has been enciphered before. The image must be enciphered using Imagick::encipherImage(). 此方法在Imagick基于ImageMagick 6.3.9以上版本编译时可用。

### 参数

`passphrase`

  The passphrase

### 返回值

成功时返回 `true`。

### 参见

- Imagick::encipherImage() - Enciphers an image

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