Imagick::getImageSignature
PHP function
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(PECL imagick 2, PECL imagick 3)
Generates an SHA-256 message digest
Description
Imagick::getImageSignature(): string
Generates an SHA-256 message digest for the image pixel stream.
Parameters Parameters
Return Values
Returns a string containing the SHA-256 hash of the file.
Errors/Exceptions
Throws