(PECL imagick 2.0.0)

Imagick::getImageSignatureGenerates an SHA-256 message digest


string Imagick::getImageSignature ( void )

This function is currently not documented; only its argument list is available.

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

Return Values

Returns a string containing the SHA-256 hash of the file. Throw an ImagickException on error.

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