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Imagick::decipherImage — Deciphers an image
$passphrase
) : boolDeciphers 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。
passphraseThe passphrase
成功时返回 TRUE。