Imagick::getImageSignature
Imagick::getImageSignature
(PECL imagick 2.0.0)
Imagick::getImageSignature — Generates 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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https://secure.php.net/manual/en/imagick.getimagesignature.php
