Imagick::getImageSignature

    (PECL imagick 2, PECL imagick 3)

    Imagick::getImageSignature — Generates an SHA-256 message digest

    Description

    public Imagick::getImageSignature(): string

    Generates an SHA-256 message digest for the image pixel stream.

    Parameters

    This function has no parameters.

    Return Values

    Returns a string containing the SHA-256 hash of the file.

    Errors/Exceptions

    Throws ImagickException on error.

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