Imagick::getImageSignature
(PECL imagick 2.0.0)
Imagick::getImageSignature — Generates an SHA-256 message digest
Description
string Imagick::getImageSignature
( void
)
Warning
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.