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Imagick::getImageSignature

(PECL imagick 2.0.0)

Imagick::getImageSignatureGenerates an SHA-256 message digest

Description

string Imagick::getImageSignature ( void )

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

Return Values

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

Errors/Exceptions

Throws ImagickException on error.

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