Gmagick::getimagesignature
(PECL gmagick >= Unknown)
Gmagick::getimagesignature — Generates an SHA-256 message digest
Description
public void Gmagick::getimagesignature
( void
)
Generates an SHA-256 message digest for the image pixel stream.
Parameters
This function has no parameters.
Return Values
Returns a string containing the SHA-256 hash of the file.
Errors/Exceptions
Throws an GmagickException on error.